diff --git a/dist/xeokit-sdk.cjs.js b/dist/xeokit-sdk.cjs.js
index 0e7934bf61..d2312682ec 100644
--- a/dist/xeokit-sdk.cjs.js
+++ b/dist/xeokit-sdk.cjs.js
@@ -12692,7 +12692,6 @@ class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
 
@@ -12713,8 +12712,7 @@ class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _destroyMarkerDiv() {
         if (this.markerDiv) {
-            const element = document.getElementById('myMarkerDiv');
-            element.parentNode.removeChild(element);
+            this.markerDiv.parentNode.removeChild(this.markerDiv);
             this.markerDiv = null;
         }
     }
@@ -89154,7 +89152,6 @@ class DistanceMeasurementsMouseControl extends DistanceMeasurementsControl {
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
         markerDiv.style.background = "black";
@@ -89174,8 +89171,7 @@ class DistanceMeasurementsMouseControl extends DistanceMeasurementsControl {
 
     _destroyMarkerDiv() {
         if (this._markerDiv) {
-            const element = document.getElementById('myMarkerDiv');
-            element.parentNode.removeChild(element);
+            this._markerDiv.parentNode.removeChild(this._markerDiv);
             this._markerDiv = null;
         }
     }
diff --git a/dist/xeokit-sdk.es.js b/dist/xeokit-sdk.es.js
index 33b1cc1859..3a3caeadc8 100644
--- a/dist/xeokit-sdk.es.js
+++ b/dist/xeokit-sdk.es.js
@@ -12688,7 +12688,6 @@ class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
 
@@ -12709,8 +12708,7 @@ class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _destroyMarkerDiv() {
         if (this.markerDiv) {
-            const element = document.getElementById('myMarkerDiv');
-            element.parentNode.removeChild(element);
+            this.markerDiv.parentNode.removeChild(this.markerDiv);
             this.markerDiv = null;
         }
     }
@@ -89150,7 +89148,6 @@ class DistanceMeasurementsMouseControl extends DistanceMeasurementsControl {
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
         markerDiv.style.background = "black";
@@ -89170,8 +89167,7 @@ class DistanceMeasurementsMouseControl extends DistanceMeasurementsControl {
 
     _destroyMarkerDiv() {
         if (this._markerDiv) {
-            const element = document.getElementById('myMarkerDiv');
-            element.parentNode.removeChild(element);
+            this._markerDiv.parentNode.removeChild(this._markerDiv);
             this._markerDiv = null;
         }
     }
diff --git a/dist/xeokit-sdk.es5.js b/dist/xeokit-sdk.es5.js
index afacc7a7a6..60de038a75 100644
--- a/dist/xeokit-sdk.es5.js
+++ b/dist/xeokit-sdk.es5.js
@@ -3004,7 +3004,7 @@ this._originDot.setVisible(this._visible&&this._originVisible);this._cornerDot.s
      * @param {function} [cfg.canvasToPagePos] Optional function to map canvas-space coordinates to page coordinates.
      * @param {PointerLens} [cfg.pointerLens] A PointerLens to use to provide a magnified view of the cursor when snapping is enabled.
      * @param {boolean} [cfg.snapping=true] Whether to initially enable snap-to-vertex and snap-to-edge for this AngleMeasurementsMouseControl.
-     */function AngleMeasurementsMouseControl(angleMeasurementsPlugin){var _this20;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,AngleMeasurementsMouseControl);_this20=_super8.call(this,angleMeasurementsPlugin.viewer.scene);_this20._canvasToPagePos=cfg.canvasToPagePos;_this20.pointerLens=cfg.pointerLens;_this20._active=false;_this20._currentAngleMeasurement=null;_this20._initMarkerDiv();_this20._snapping=cfg.snapping!==false;_this20._mouseState=MOUSE_FINDING_ORIGIN;_this20._attachPlugin(angleMeasurementsPlugin,cfg);return _this20;}_createClass(AngleMeasurementsMouseControl,[{key:"_initMarkerDiv",value:function _initMarkerDiv(){var markerDiv=document.createElement('div');markerDiv.setAttribute('id','myMarkerDiv');var canvas=this.scene.canvas.canvas;canvas.parentNode.insertBefore(markerDiv,canvas);markerDiv.style.background="black";markerDiv.style.border="2px solid blue";markerDiv.style.borderRadius="10px";markerDiv.style.width="5px";markerDiv.style.height="5px";markerDiv.style.top="-200px";markerDiv.style.left="-200px";markerDiv.style.margin="0 0";markerDiv.style.zIndex="100";markerDiv.style.position="absolute";markerDiv.style.pointerEvents="none";this.markerDiv=markerDiv;}},{key:"_destroyMarkerDiv",value:function _destroyMarkerDiv(){if(this.markerDiv){var element=document.getElementById('myMarkerDiv');element.parentNode.removeChild(element);this.markerDiv=null;}}},{key:"_attachPlugin",value:function _attachPlugin(angleMeasurementsPlugin){var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};/**
+     */function AngleMeasurementsMouseControl(angleMeasurementsPlugin){var _this20;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,AngleMeasurementsMouseControl);_this20=_super8.call(this,angleMeasurementsPlugin.viewer.scene);_this20._canvasToPagePos=cfg.canvasToPagePos;_this20.pointerLens=cfg.pointerLens;_this20._active=false;_this20._currentAngleMeasurement=null;_this20._initMarkerDiv();_this20._snapping=cfg.snapping!==false;_this20._mouseState=MOUSE_FINDING_ORIGIN;_this20._attachPlugin(angleMeasurementsPlugin,cfg);return _this20;}_createClass(AngleMeasurementsMouseControl,[{key:"_initMarkerDiv",value:function _initMarkerDiv(){var markerDiv=document.createElement('div');var canvas=this.scene.canvas.canvas;canvas.parentNode.insertBefore(markerDiv,canvas);markerDiv.style.background="black";markerDiv.style.border="2px solid blue";markerDiv.style.borderRadius="10px";markerDiv.style.width="5px";markerDiv.style.height="5px";markerDiv.style.top="-200px";markerDiv.style.left="-200px";markerDiv.style.margin="0 0";markerDiv.style.zIndex="100";markerDiv.style.position="absolute";markerDiv.style.pointerEvents="none";this.markerDiv=markerDiv;}},{key:"_destroyMarkerDiv",value:function _destroyMarkerDiv(){if(this.markerDiv){this.markerDiv.parentNode.removeChild(this.markerDiv);this.markerDiv=null;}}},{key:"_attachPlugin",value:function _attachPlugin(angleMeasurementsPlugin){var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};/**
          * The {@link AngleMeasurementsPlugin} that owns this AngleMeasurementsMouseControl.
          *
          * @type {AngleMeasurementsPlugin}
@@ -19941,7 +19941,7 @@ this._originDot.setVisible(this._visible&&this._originVisible);this._targetDot.s
      * @param {function} [cfg.canvasToPagePos] Optional function to map canvas-space coordinates to page coordinates.
      * @param {PointerLens} [cfg.pointerLens] A PointerLens to use to provide a magnified view of the cursor when snapping is enabled.
      * @param {boolean} [cfg.snapping=true] Whether to initially enable snap-to-vertex and snap-to-edge for this DistanceMeasurementsMouseControl.
-     */function DistanceMeasurementsMouseControl(distanceMeasurementsPlugin){var _this87;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,DistanceMeasurementsMouseControl);_this87=_super123.call(this,distanceMeasurementsPlugin.viewer.scene);_this87._canvasToPagePos=cfg.canvasToPagePos;_this87.pointerLens=cfg.pointerLens;_this87._active=false;_this87._currentDistanceMeasurement=null;_this87._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null};_this87._initMarkerDiv();_this87._snapping=cfg.snapping!==false;_this87._mouseState=MOUSE_FIRST_CLICK_EXPECTED;_this87._attachPlugin(distanceMeasurementsPlugin,cfg);return _this87;}_createClass(DistanceMeasurementsMouseControl,[{key:"_initMarkerDiv",value:function _initMarkerDiv(){var markerDiv=document.createElement('div');markerDiv.setAttribute('id','myMarkerDiv');var canvas=this.scene.canvas.canvas;canvas.parentNode.insertBefore(markerDiv,canvas);markerDiv.style.background="black";markerDiv.style.border="2px solid blue";markerDiv.style.borderRadius="10px";markerDiv.style.width="5px";markerDiv.style.height="5px";markerDiv.style.top="-200px";markerDiv.style.left="-200px";markerDiv.style.margin="0 0";markerDiv.style.zIndex="100";markerDiv.style.position="absolute";markerDiv.style.pointerEvents="none";this._markerDiv=markerDiv;}},{key:"_destroyMarkerDiv",value:function _destroyMarkerDiv(){if(this._markerDiv){var element=document.getElementById('myMarkerDiv');element.parentNode.removeChild(element);this._markerDiv=null;}}},{key:"_attachPlugin",value:function _attachPlugin(distanceMeasurementsPlugin){var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};/**
+     */function DistanceMeasurementsMouseControl(distanceMeasurementsPlugin){var _this87;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,DistanceMeasurementsMouseControl);_this87=_super123.call(this,distanceMeasurementsPlugin.viewer.scene);_this87._canvasToPagePos=cfg.canvasToPagePos;_this87.pointerLens=cfg.pointerLens;_this87._active=false;_this87._currentDistanceMeasurement=null;_this87._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null};_this87._initMarkerDiv();_this87._snapping=cfg.snapping!==false;_this87._mouseState=MOUSE_FIRST_CLICK_EXPECTED;_this87._attachPlugin(distanceMeasurementsPlugin,cfg);return _this87;}_createClass(DistanceMeasurementsMouseControl,[{key:"_initMarkerDiv",value:function _initMarkerDiv(){var markerDiv=document.createElement('div');var canvas=this.scene.canvas.canvas;canvas.parentNode.insertBefore(markerDiv,canvas);markerDiv.style.background="black";markerDiv.style.border="2px solid blue";markerDiv.style.borderRadius="10px";markerDiv.style.width="5px";markerDiv.style.height="5px";markerDiv.style.top="-200px";markerDiv.style.left="-200px";markerDiv.style.margin="0 0";markerDiv.style.zIndex="100";markerDiv.style.position="absolute";markerDiv.style.pointerEvents="none";this._markerDiv=markerDiv;}},{key:"_destroyMarkerDiv",value:function _destroyMarkerDiv(){if(this._markerDiv){this._markerDiv.parentNode.removeChild(this._markerDiv);this._markerDiv=null;}}},{key:"_attachPlugin",value:function _attachPlugin(distanceMeasurementsPlugin){var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};/**
          * The {@link DistanceMeasurementsPlugin} that owns this DistanceMeasurementsMouseControl.
          * @type {DistanceMeasurementsPlugin}
          */this.distanceMeasurementsPlugin=distanceMeasurementsPlugin;/**
diff --git a/dist/xeokit-sdk.min.cjs.js b/dist/xeokit-sdk.min.cjs.js
index bc47e5a1e1..f780aa9f9c 100644
--- a/dist/xeokit-sdk.min.cjs.js
+++ b/dist/xeokit-sdk.min.cjs.js
@@ -1,4 +1,4 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0});class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}let o=!0,n=o?Float64Array:Float32Array;const a=new n(3),l=new n(16),A=new n(16),h=new n(4),c={setDoublePrecisionEnabled(e){o=e,n=o?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>o,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new n(e||2),vec3:e=>new n(e||3),vec4:e=>new n(e||4),mat3:e=>new n(e||9),mat3ToMat4:(e,t=new n(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new n(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new n(2);for(let r=0,o=e.length;r<o;r++)c.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=n.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new n(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>c.dotVec4(e,e),lenVec4:e=>Math.sqrt(c.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>c.dotVec3(e,e),sqLenVec2:e=>c.dotVec2(e,e),lenVec3:e=>Math.sqrt(c.sqLenVec3(e)),distVec3:(()=>{const e=new n(3);return(t,i)=>c.lenVec3(c.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(c.sqLenVec2(e)),distVec2:(()=>{const e=new n(2);return(t,i)=>c.lenVec2(c.subVec2(t,i,e))})(),rcpVec3:(e,t)=>c.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/c.lenVec4(e);return c.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/c.lenVec3(e);return c.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/c.lenVec2(e);return c.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=c.dotVec3(e,t)/Math.sqrt(c.sqLenVec3(e)*c.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new n(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=c.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=c.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=c.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||c.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>c.m4s(0),setMat4ToOnes:()=>c.m4s(1),diagonalMat4v:e=>new n([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>c.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>c.diagonalMat4c(e,e,e,e),identityMat4:(e=new n(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new n(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>c.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new n(9));const s=e[0],r=e[3],o=e[6],a=e[1],l=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.translationMat4v(e,r))})(),translationMat4s:(e,t)=>c.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>c.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=c.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,u,d,p,f,g;return h=a*l,u=l*A,d=A*a,p=a*r,f=l*r,g=A*r,(i=i||c.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*d-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*u+p,i[7]=0,i[8]=n*d+f,i[9]=n*u-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>c.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=c.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=c.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>c.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=c.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,u=s*l,d=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const s=c.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],u=e[6],d=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,d),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(u,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,d),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(-h,d),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(u,d),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,d))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(u,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,d),i[1]=0)),i},composeMat4:(e,t,i,s=c.mat4())=>(c.quaternionToRotationMat4(t,s),c.scaleMat4v(i,s),c.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new n(3),t=new n(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=c.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=c.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=c.lenVec3(e);c.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,u=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=u,t[9]*=u,t[10]*=u,c.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=c.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],u=t[1],d=t[2];if(r===h&&o===u&&n===d)return c.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-u,g=n-d,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>c.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=c.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];c.addVec4(r,s,l),c.subVec4(r,s,A);const o=2*s[2],n=A[0],a=A[1],h=A[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||c.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=c.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=c.vec4()){const s=e[0]*c.DEGTORAD/2,r=e[1]*c.DEGTORAD/2,o=e[2]*c.DEGTORAD/2,n=Math.cos(s),a=Math.cos(r),l=Math.cos(o),A=Math.sin(s),h=Math.sin(r),u=Math.sin(o);return"XYZ"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l-A*h*u):"YXZ"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l+A*h*u):"ZXY"===t?(i[0]=A*a*l-n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l-A*h*u):"ZYX"===t?(i[0]=A*a*l-n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l+A*h*u):"YZX"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l-A*h*u):"XZY"===t&&(i[0]=A*a*l-n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l+A*h*u),i},mat4ToQuaternion(e,t=c.vec4()){const i=e[0],s=e[4],r=e[8],o=e[1],n=e[5],a=e[9],l=e[2],A=e[6],h=e[10];let u;const d=i+n+h;return d>0?(u=.5/Math.sqrt(d+1),t[3]=.25/u,t[0]=(A-a)*u,t[1]=(r-l)*u,t[2]=(o-s)*u):i>n&&i>h?(u=2*Math.sqrt(1+i-n-h),t[3]=(A-a)/u,t[0]=.25*u,t[1]=(s+o)/u,t[2]=(r+l)/u):n>h?(u=2*Math.sqrt(1+n-i-h),t[3]=(r-l)/u,t[0]=(s+o)/u,t[1]=.25*u,t[2]=(a+A)/u):(u=2*Math.sqrt(1+h-i-n),t[3]=(o-s)/u,t[0]=(r+l)/u,t[1]=(a+A)/u,t[2]=.25*u),t},vec3PairToQuaternion(e,t,i=c.vec4()){const s=Math.sqrt(c.dotVec3(e,e)*c.dotVec3(t,t));let r=s+c.dotVec3(e,t);return r<1e-8*s?(r=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):c.cross3Vec3(e,t,i),i[3]=r,c.normalizeQuaternion(i)},angleAxisToQuaternion(e,t=c.vec4()){const i=e[3]/2,s=Math.sin(i);return t[0]=s*e[0],t[1]=s*e[1],t[2]=s*e[2],t[3]=Math.cos(i),t},quaternionToEuler:(()=>{const e=new n(16);return(t,i,s)=>(s=s||c.vec3(),c.quaternionToRotationMat4(t,e),c.mat4ToEuler(e,i,s),s)})(),mulQuaternions(e,t,i=c.vec4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=t[0],l=t[1],A=t[2],h=t[3];return i[0]=n*a+s*h+r*A-o*l,i[1]=n*l+r*h+o*a-s*A,i[2]=n*A+o*h+s*l-r*a,i[3]=n*h-s*a-r*l-o*A,i},vec3ApplyQuaternion(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2],n=e[0],a=e[1],l=e[2],A=e[3],h=A*s+a*o-l*r,u=A*r+l*s-n*o,d=A*o+n*r-a*s,p=-n*s-a*r-l*o;return i[0]=h*A+p*-n+u*-l-d*-a,i[1]=u*A+p*-a+d*-n-h*-l,i[2]=d*A+p*-l+h*-a-u*-n,i},quaternionToMat4(e,t){t=c.identityMat4(t);const i=e[0],s=e[1],r=e[2],o=e[3],n=2*i,a=2*s,l=2*r,A=n*o,h=a*o,u=l*o,d=n*i,p=a*i,f=l*i,g=a*s,m=l*s,_=l*r;return t[0]=1-(g+_),t[1]=p+u,t[2]=f-h,t[4]=p-u,t[5]=1-(d+_),t[6]=m+A,t[8]=f+h,t[9]=m-A,t[10]=1-(d+g),t},quaternionToRotationMat4(e,t){const i=e[0],s=e[1],r=e[2],o=e[3],n=i+i,a=s+s,l=r+r,A=i*n,h=i*a,c=i*l,u=s*a,d=s*l,p=r*l,f=o*n,g=o*a,m=o*l;return t[0]=1-(u+p),t[4]=h-m,t[8]=c+g,t[1]=h+m,t[5]=1-(A+p),t[9]=d-f,t[2]=c-g,t[6]=d+f,t[10]=1-(A+u),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion(e,t=e){const i=c.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:(e,t=e)=>(t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t),inverseQuaternion:(e,t)=>c.normalizeQuaternion(c.conjugateQuaternion(e,t)),quaternionToAngleAxis(e,t=c.vec4()){const i=(e=c.normalizeQuaternion(e,h))[3],s=2*Math.acos(i),r=Math.sqrt(1-i*i);return r<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/r,t[1]=e[1]/r,t[2]=e[2]/r),t[3]=s,t},AABB3:e=>new n(e||6),AABB2:e=>new n(e||4),OBB3:e=>new n(e||32),OBB2:e=>new n(e||16),Sphere3:(e,t,i,s)=>new n([e,t,i,s]),transformOBB3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:(()=>{const e=new n(3),t=new 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'"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+_.inQuotes(i.id));if(o&&!i.isType(o))return void this.error("Expected a "+o+" type or subtype: "+i.type+" "+_.inQuotes(i.id))}this._attachments||(this._attachments={});const l=this._attached[t];let A,h,c;if(l){if(i&&l.id===i.id)return;const e=this._attachments[l.id];for(A=e.subs,h=0,c=A.length;h<c;h++)l.off(A[h]);delete this._attached[t],delete this._attachments[l.id];const s=e.params.onDetached;s&&(_.isFunction(s)?s(l):s.scope?s.callback.call(s.scope,l):s.callback(l)),e.managingLifecycle&&l.destroy()}if(i){const s={params:e,component:i,subs:[],managingLifecycle:false};s.subs.push(i.once("destroyed",(function(){s.params.component=null,this._attach(s.params)}),this)),a&&s.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=s;const r=e.onAttached;if(r&&(_.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],_.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}_own(e){this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(()=>{delete this._ownedComponents[e.id]}),this)}_needUpdate(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():M.scheduleTask(this._doUpdate,this))}_doUpdate(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}scheduleTask(e){M.scheduleTask(e,null)}_update(){}clear(){if(this._ownedComponents)for(var e in this._ownedComponents)if(this._ownedComponents.hasOwnProperty(e)){this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}destroy(){if(this.destroyed)return;let e,t,i,s,r,o;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const S=c.vec3(),T=c.vec3(),R=c.mat4();class L{constructor(){this.normal=c.vec3(),this.offset=0,this.testVertex=c.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class U{constructor(){this.planes=[new L,new L,new L,new L,new L,new L]}}function O(e,t,i){const s=c.mulMat4(i,t,R),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],u=s[7],d=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,u-l,g-d,b-m),e.planes[1].set(a+r,u+l,g+d,b+m),e.planes[2].set(a-o,u-A,g-p,b-_),e.planes[3].set(a+o,u+A,g+p,b+_),e.planes[4].set(a-n,u-h,g-f,b-v),e.planes[5].set(a+n,u+h,g+f,b+v)}function k(e,t){let i=U.INSIDE;const s=S,r=T;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return U.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=U.INTERSECT)}return i}U.INSIDE=0,U.INTERSECT=1,U.OUTSIDE=2;class N extends D{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=c.vec2(),this._canvasMarqueeCorner2=c.vec2(),this._canvasMarquee=c.AABB2(),this._marqueeFrustum=new U,this._marqueeFrustumProjMat=c.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==N.PICK_MODE_INSIDE&&e!==N.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===N.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class j{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const G=c.vec3(),z=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function W(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function K(e,t,i,s=1e3){const r=c.getPositionsCenter(e,G),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function X(e,t,i,s){const r=c.dotVec3(t,i)+e,o=c.normalizeVec3(t,G);return c.mulVec3Scalar(o,-r,s),s}const J=1,Y=4,Z=8,q=16,$=32,ee=256,te=512,ie=1024,se=2048,re=new Float32Array([0,0,0]),oe=new Uint16Array([0,0,0]);c.OBB3();class ne{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(J)}set visible(e){if(!!(this._flags&J)!==e){this._flags=e?this._flags|J:this._flags&~J;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(te)}set highlighted(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(ee)}set xrayed(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ie)}set selected(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(se)}set edges(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Y)!==e){this._flags=e?this._flags|Y:this._flags&~Y;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(q)}set clippable(e){if(!!(this._flags&q)!==e){this._flags=e?this._flags|q:this._flags&~q;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag($)}set collidable(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(Z)}set pickable(e){if(!!(this._flags&Z)!==e){this._flags=e?this._flags|Z:this._flags&~Z;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return re[0]=e[0]/255,re[1]=e[1]/255,re[2]=e[2]/255,re}set colorize(e){if(e){oe[0]=Math.floor(255*e[0]),oe[1]=Math.floor(255*e[1]),oe[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(oe)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ae=c.vec4(),le=c.vec4();class Ae extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ae.set(this._viewPos),ae[3]=1,c.transformPoint4(this.scene.camera.projMatrix,ae,le);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+le[0]/le[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-le[1]/le[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ne?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),W(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const he=()=>{};function ce(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class ue extends Ae{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new j(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ce(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function de(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",he),l=i("onMove",he),A=i("onEnd",he),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);ce(u.ownerDocument.body,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function pe(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",he),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return de(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}class fe{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class ge{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var me=c.vec3(),_e=c.vec3();class ve extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._cornerWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new ue(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new ue(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new ue(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new fe(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new fe(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new ge(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const d=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>d||f>d||g>d)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,u=t.length;h<u;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),c.subVec3(this._originWorld,this._cornerWorld,me),c.subVec3(this._targetWorld,this._cornerWorld,_e),!(0===me[0]&&0===me[1]&&0===me[2]||0===_e[0]&&0===_e[1]&&0===_e[2])){const e=this._approximate?" ~ ":" = ";c.normalizeVec3(me),c.normalizeVec3(_e);const t=Math.abs(c.angleVec3(me,_e));this._angle=t/c.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class be extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class ye extends be{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){if(this.markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this.markerDiv=null}}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==t.parentNode&&h(e.offsetParent)),u=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==t.parentNode&&u(e.offsetParent)),d=c.vec2(),p=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:this._canvasToPagePos?(this._canvasToPagePos(t,i,d),this.markerDiv.style.left=d[0]-5+"px",this.markerDiv.style.top=d[1]-5+"px"):(this.markerDiv.style.left=u(t)+i[0]-5+"px",this.markerDiv.style.top=h(t)+i[1]-5+"px");break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const f=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class xe extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=pe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const Be=c.vec3(),we=c.vec3(),Pe=c.vec3();class Ce extends Ae{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,Be),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,we),r=c.addVec3(e.worldPos,s,Pe);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Me extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Ee=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Fe extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Me(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Ee.length;e++)try{this.gl=this.canvas.getContext(Ee[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Ie{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),z(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;z(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const De={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Se=document.createElement("canvas");if(Se){const e=Se.getContext("webgl",{antialias:!0})||Se.getContext("experimental-webgl",{antialias:!0});De.WEBGL=!!e,De.WEBGL&&(De.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?De.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?De.FS_MAX_FLOAT_PRECISION="mediump":De.FS_MAX_FLOAT_PRECISION="lowp":De.FS_MAX_FLOAT_PRECISION="mediump",De.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),De.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),De.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),De.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),De.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),De.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),De.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),De.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),De.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),De.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){De.SUPPORTED_EXTENSIONS[e]=!0})))}class Te{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Re{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Le{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class Ue{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Oe=new e({});function ke(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ne(e){console.error(e.join("\n"))}class Qe{constructor(e,t){this.id=Oe.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Re(e,e.VERTEX_SHADER,ke(this.source.vertex)),this._fragmentShader=new Re(e,e.FRAGMENT_SHADER,ke(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ne(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ne(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ne(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ne(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ne(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Le(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Ue(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Oe.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class Ve{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class He{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const je=c.vec3([1,0,0]),Ge=c.vec3();class ze{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new He(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new He(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new Qe(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,z(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,X(i.dist,i.dir,o,Ge)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*je[0],i=255*je[1],s=255*je[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const We=c.vec2();class Ke{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;We[0]=o,We[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,We),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new Qe(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ve(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new Ve(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new Ve(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const Xe=new Float32Array(et(17,[0,1])),Je=new Float32Array(et(17,[1,0])),Ye=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push($e(s,t));return i}(17,4)),Ze=new Float32Array(2);class qe{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new Qe(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ve(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Ve(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),Ze[0]=n,Ze[1]=a,s.uniform2fv(this._uViewport,Ze),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,Je):s.uniform2fv(this._uSampleOffsets,Xe),s.uniform1fv(this._uSampleWeights,Ye);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function $e(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function et(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class tt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class it{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new tt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function st(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const rt=function(t,i){i=i||{};const s=new Ie(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new it(t);let w=!1;const P=new Ke(t),C=new qe(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!st(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!st(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!st(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!st(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!st(o,"WEBGL_compressed_texture_pvrtc")&&!st(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){x=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],u=[],f=[],g=[],m=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=d.length;e<t;e++){if(T=d[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(u[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(g[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(f[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(m[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)f[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)u[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)m[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)g[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=p.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=De.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=De.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new Te,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(w,P,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=z(g,w,A);P=c.mulMat4(m,e,h)}else P=c.mulMat4(m,g,h);const C=c.inverseMat4(P,u);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);w&&c.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new Te;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new ze(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class ot extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-s}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const nt=new e({});class at{constructor(e){this.id=nt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){nt.removeItem(this.id)}}class lt extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new at({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class At extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class ht extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class ct extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class ut extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const dt=c.vec3(),pt=c.vec3(),ft=c.vec3(),gt=c.vec3(),mt=c.vec3(),_t=c.vec3(),vt=c.vec4(),bt=c.vec4(),yt=c.vec4(),xt=c.mat4(),Bt=c.mat4(),wt=c.vec3(),Pt=c.vec3(),Ct=c.vec3(),Mt=c.vec3();class Et extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new at({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new At(this),this._ortho=new ht(this),this._frustum=new ct(this),this._customProjection=new ut(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,wt),c.normalizeVec3(wt,Pt),c.mulVec3Scalar(Pt,1e3,Ct),c.addVec3(this._look,Ct,Mt),t=Mt):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,Bt),c.mulMat4(e.deviceMatrix,Bt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,dt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,xt),t=c.transformPoint3(xt,t,pt),this.eye=c.addVec3(this._look,t,ft),this.up=c.transformPoint3(xt,this._up,gt)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,dt);const i=c.cross3Vec3(c.normalizeVec3(t,pt),c.normalizeVec3(this._up,ft));c.rotationMat4v(.0174532925*e,i,xt),t=c.transformPoint3(xt,t,gt),this.up=c.transformPoint3(xt,this._up,mt),this.eye=c.addVec3(t,this._look,_t)}yaw(e){let t=c.subVec3(this._look,this._eye,dt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,xt),t=c.transformPoint3(xt,t,pt),this.look=c.addVec3(t,this._eye,ft),this._gimbalLock&&(this.up=c.transformPoint3(xt,this._up,gt))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,dt);const i=c.cross3Vec3(c.normalizeVec3(t,pt),c.normalizeVec3(this._up,ft));c.rotationMat4v(.0174532925*e,i,xt),this.up=c.transformPoint3(xt,this._up,_t),t=c.transformPoint3(xt,t,gt),this.look=c.addVec3(t,this._eye,mt)}pan(e){const t=c.subVec3(this._eye,this._look,dt),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,pt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,ft),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,gt),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,mt),this.look=c.addVec3(this._look,i,_t)}zoom(e){const t=c.subVec3(this._eye,this._look,dt),i=Math.abs(c.lenVec3(t,pt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,ft);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),gt)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,dt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=vt,i=bt,s=yt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Ft extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class It extends Ft{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new at({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new tt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Dt extends Ft{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class St extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var Tt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(c.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Rt=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var Lt=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var Ut=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function Ot(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function kt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Nt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Qt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Rt,compressPositions:Lt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Ut,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Ot(e,a,"floor","floor"),s=kt(i),o=n=Nt(e,a,s),i=Ot(e,a,"ceil","floor"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),i=Ot(e,a,"floor","ceil"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),i=Ot(e,a,"ceil","ceil"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},Vt=p.memory,Ht=c.AABB3();class jt extends St{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new at({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Qt.getPositionsBounds(t.positions),s=Qt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Qt.getUVBounds(t.uv),s=Qt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Qt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),Vt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Vt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Vt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new Ve(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Vt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Vt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Ve(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Vt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=Tt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Vt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new Ve(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),Vt.positions+=this._pickTrianglePositionsBuf.numItems,Vt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Qt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Qt.getPositionsBounds(e),s=Qt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Qt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Qt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,Ht,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(Ht,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Vt.meshes--}}function Gt(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class zt extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const Wt={opaque:0,mask:1,blend:2},Kt=["opaque","mask","blend"];class Xt extends zt{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=Wt[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Kt[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const Jt={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class Yt extends zt{get type(){return"EmphasisMaterial"}get presets(){return Jt}constructor(e,t={}){super(e,t),this._state=new at({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=Jt[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Jt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Zt={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class qt extends zt{get type(){return"EdgeMaterial"}get presets(){return Zt}constructor(e,t={}){super(e,t),this._state=new at({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Zt[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Zt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const $t={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ei extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return $t}set units(e){e||(e="meters");$t[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class ti extends D{constructor(e,t={}){super(e,t),this._supported=De.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ii extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const si={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class ri extends zt{get type(){return"PointsMaterial"}get presets(){return si}constructor(e,t={}){super(e,t),this._state=new at({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=si[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(si).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const oi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class ni extends zt{get type(){return"LinesMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new at({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function ai(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class li extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Fe(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new rt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new ot(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ei(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new ti(this,{enabled:t.saoEnabled}),this.crossSections=new ii(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new lt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Et(this,{id:"default.camera",dontClear:!0}),new Dt(this,{color:[1,1,1],intensity:.7}),new It(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new It(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||Gt(jt)}get material(){return this.components["default.material"]||new Xt(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new Yt(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new Yt(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new Yt(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new qt(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new ri(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new ni(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=ai(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=ai(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Ai=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=ui(e),u=s.getNumAllocatedSectionPlanes()>0,d=ci(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=ui(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=ci(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+hi[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+hi[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+hi[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+hi[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+hi[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+hi[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},hi={};function ci(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function ui(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}hi[3e3]="linearToLinear",hi[3001]="sRGBToLinear";const di=c.vec3(),pi=new e({}),fi=function(e,t){this.id=pi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ai(t),this._allocate(t)},gi={};fi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=gi[i];if(!s){if(s=new fi(i,e),s.errors)return console.log(s.errors.join("\n")),null;gi[i]=s,p.memory.programs++}return s._useCount++,s},fi.prototype.put=function(){0==--this._useCount&&(pi.removeItem(this.id),this._program&&this._program.destroy(),delete gi[this._hash],p.memory.programs--)},fi.prototype.webglContextRestored=function(){this._program=null},fi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=De.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=X(i.dist,i.dir,c,di);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},fi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},fi.prototype._bindProgram=function(e){const t=De.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class mi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const _i=new e({}),vi=c.vec3(),bi=function(e,t){this.id=_i.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new mi(t),this._allocate(t)},yi={};bi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=yi[t];return i||(i=new bi(t,e),yi[t]=i,p.memory.programs++),i._useCount++,i},bi.prototype.put=function(){0==--this._useCount&&(_i.removeItem(this.id),this._program&&this._program.destroy(),delete yi[this._hash],p.memory.programs--)},bi.prototype.webglContextRestored=function(){this._program=null},bi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=X(i.dist,i.dir,A,vi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},bi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new Qe(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},bi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class xi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Bi=new e({}),wi=c.vec3(),Pi=function(e,t){this.id=Bi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new xi(t),this._allocate(t)},Ci={};Pi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ci[t];return i||(i=new Pi(t,e),Ci[t]=i,p.memory.programs++),i._useCount++,i},Pi.prototype.put=function(){0==--this._useCount&&(Bi.removeItem(this.id),this._program&&this._program.destroy(),delete Ci[this._hash],p.memory.programs--)},Pi.prototype.webglContextRestored=function(){this._program=null},Pi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=X(i.dist,i.dir,h,wi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Pi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Pi.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Mi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Ei=c.vec3(),Fi=function(e,t){this._hash=e,this._shaderSource=new Mi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Ii={};Fi.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Ii[t];if(!i){if(i=new Fi(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ii[t]=i,p.memory.programs++}return i._useCount++,i},Fi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ii[this._hash],p.memory.programs--)},Fi.prototype.webglContextRestored=function(){this._program=null},Fi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=X(i.dist,i.dir,a,Ei);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Fi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Fi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Di{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const Si=c.vec3(),Ti=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Di(t),this._allocate(t)},Ri={};Ti.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ri[t];if(!i){if(i=new Ti(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ri[t]=i,p.memory.programs++}return i._useCount++,i},Ti.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ri[this._hash],p.memory.programs--)},Ti.prototype.webglContextRestored=function(){this._program=null},Ti.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=X(i.dist,i.dir,l,Si);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},Ti.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class Li{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const Ui=c.vec3(),Oi=function(e,t){this._hash=e,this._shaderSource=new Li(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ki={};Oi.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=ki[t];if(!i){if(i=new Oi(t,e),i.errors)return console.log(i.errors.join("\n")),null;ki[t]=i,p.memory.programs++}return i._useCount++,i},Oi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ki[this._hash],p.memory.programs--)},Oi.prototype.webglContextRestored=function(){this._program=null},Oi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=X(i.dist,i.dir,a,Ui);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Oi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Oi.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Ni{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Qi=function(e,t){this._hash=e,this._shaderSource=new Ni(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Vi={};Qi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=Vi[i];if(!s){if(s=new Qi(i,e),s.errors)return console.log(s.errors.join("\n")),null;Vi[i]=s,p.memory.programs++}return s._useCount++,s},Qi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Vi[this._hash],p.memory.programs--)},Qi.prototype.webglContextRestored=function(){this._program=null},Qi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Qi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Qi.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Hi{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const ji=c.OBB3(),Gi=c.vec4(),zi=c.vec4(),Wi=c.vec4(),Ki=c.vec3([1,0,0]),Xi=c.vec3([0,1,0]),Ji=c.vec3([0,0,1]),Yi=c.vec3(3),Zi=c.vec3(3),qi=c.identityMat4();class $i extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Hi,this._state=new at({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||qi),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=fi.get(this),this._emphasisFillRenderer=bi.get(this),this._emphasisEdgesRenderer=Pi.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Fi.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Oi.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,ji),c.OBB3ToAABB3(ji,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Gi[0]=e[0],Gi[1]=e[1],Gi[2]=e[2],Gi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Gi,zi),c.mulQuaternions(this.quaternion,zi,Wi),this.quaternion=Wi,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Gi[0]=e[0],Gi[1]=e[1],Gi[2]=e[2],Gi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Gi,zi),c.mulQuaternions(zi,this.quaternion,zi),this}rotateX(e){return this.rotate(Ki,e)}rotateY(e){return this.rotate(Xi,e)}rotateZ(e){return this.rotate(Ji,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,Yi),c.mulVec3Scalar(Yi,t,Zi),c.addVec3(this.position,Zi,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ki,e)}translateY(e){return this.translate(Xi,e)}translateZ(e){return this.translate(Ji,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=fi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=fi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Oi.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Qi.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Fi.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Ti.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){es(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const es=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),x=c.vec3(),B=c.vec3(),w=c.vec3(),P=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,W=Q.positions;let K,X,J;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,X=3*k,J=3*N}else K=3*V,X=K+3,J=X+3;if(i[0]=W[K+0],i[1]=W[K+1],i[2]=W[K+2],s[0]=W[X+0],s[1]=W[X+1],s[2]=W[X+2],r[0]=W[J+0],r[1]=W[J+1],r[2]=W[J+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Qt.decompressPosition(i,e,i),Qt.decompressPosition(s,e,s),Qt.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?z(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Qt.decompressNormal(Y.subarray(e,e+2),h),Qt.decompressNormal(Y.subarray(t,t+2),u),Qt.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2],d[0]=Y[J],d[1]=Y[J+1],d[2]=Y[J+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),x),c.mulVec3Scalar(d,A[2],B),w);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Qt.decompressUV(p,e,p),Qt.decompressUV(f,e,f),Qt.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function ts(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],v=[],b=[];let y,x,B,w,P,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(y=0;y<=o;y++)for(P=t-y*f,C=c-y*u,x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),m.push(P*B),m.push(S),m.push(P*w),v.push(x*p),v.push(1*y/o),g.push(P*B+l),g.push(C+A),g.push(P*w+h);for(y=0;y<o;y++)for(x=0;x<=r;x++)M=y*(r+1)+x,E=M+r,b.push(M),b.push(E),b.push(E+1),b.push(M),b.push(E+1),b.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),v.push(.5),v.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(t*B),m.push(1),m.push(t*w),v.push(I),v.push(D),g.push(t*B+l),g.push(c+A),g.push(t*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,b.push(M),b.push(M+1),b.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),v.push(.5),v.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(i*B),m.push(-1),m.push(i*w),v.push(I),v.push(D),g.push(i*B+l),g.push(0-c+A),g.push(i*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,b.push(a),b.push(M+1),b.push(M)}return _.apply(e,{positions:g,normals:m,uv:v,indices:b})}function is(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,v,b,y,x,B,w,P,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,v=Math.sin(m),b=Math.cos(m),y=b*f,x=g,B=v*f,w=1-d/a,P=u/n,A.push(y),A.push(x),A.push(B),h.push(w),h.push(P),l.push(i+o*y),l.push(s+o*x),l.push(r+o*B);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return 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rs(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,x=.04,B=0;B<v.length;B++){A=0,c=(h=v[B]).length;for(var w=0;w<c;w++)if(u=ss[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(y+m[1]*o*x+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}y-=35*x*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class os extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new at({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const ns=c.vec4(4),as=c.vec4(),ls=c.vec4(),As=c.vec3([1,0,0]),hs=c.vec3([0,1,0]),cs=c.vec3([0,0,1]),us=c.vec3(3),ds=c.vec3(3),ps=c.identityMat4();class fs extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||ps),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ns[0]=e[0],ns[1]=e[1],ns[2]=e[2],ns[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ns,as),c.mulQuaternions(this.quaternion,as,ls),this.quaternion=ls,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return ns[0]=e[0],ns[1]=e[1],ns[2]=e[2],ns[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ns,as),c.mulQuaternions(as,this.quaternion,as),this}rotateX(e){return this.rotate(As,e)}rotateY(e){return this.rotate(hs,e)}rotateZ(e){return this.rotate(cs,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,us),c.mulVec3Scalar(us,t,ds),c.addVec3(this.position,ds,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(As,e)}translateY(e){return this.translate(hs,e)}translateZ(e){return this.translate(cs,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class gs extends zt{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const ms={opaque:0,mask:1,blend:2},_s=["opaque","mask","blend"];class vs extends zt{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=ms[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return _s[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const bs={opaque:0,mask:1,blend:2},ys=["opaque","mask","blend"];class xs extends zt{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=bs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return ys[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Bs(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=st(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=st(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=st(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=st(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=st(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=st(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=st(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const ws=new Uint8Array([0,0,0,1]);class Ps{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(ws[0]=Math.floor(255*e[0]),ws[1]=Math.floor(255*e[1]),ws[2]=Math.floor(255*e[2]),ws[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(ws[0]=0,ws[1]=0,ws[2]=0,ws[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,ws)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,ws);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Bs(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Bs(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Bs(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Bs(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Bs(i,this.format,this.encoding),d=Bs(i,this.type),p=Cs(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Bs(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Bs(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Bs(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Ms(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Ms(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Bs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Bs(i,this.magFilter)));const a=Bs(i,this.format,this.encoding),l=Bs(i,this.type),A=Cs(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Bs(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Bs(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Bs(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Bs(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Cs(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||st(e,"EXT_color_buffer_float"),n}function Ms(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Es(e){if(!Fs(e.width)||!Fs(e.height)){const t=document.createElement("canvas");t.width=Is(e.width),t.height=Is(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Fs(e){return 0==(e&e-1)}function Is(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Ds extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new at({texture:new Ps({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Ps({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Es(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Es(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const Ss=p.memory,Ts=c.AABB3();class Rs extends St{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new at({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Qt.getPositionsBounds(t.positions),o=Qt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new Ve(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),Ss.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,Ts,i.positionsDecodeMatrix),c.AABB3ToOBB3(Ts,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new Ve(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),Ss.colors+=i.colorsBuf.numItems}if(t.uv){const e=Qt.getUVBounds(t.uv),r=Qt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new Ve(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),Ss.uvs+=i.uvBuf.numItems}if(t.normals){const e=Qt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new Ve(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),Ss.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),Ss.indices+=i.indicesBuf.numItems;const o=Tt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),Ss.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),Ss.meshes--}}var Ls={};function Us(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Os(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function ks(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,x,B,w,P,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=x/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(x=0;x<c;x++)w=x+d*y,P=x+d*(y+1),C=x+1+d*(y+1),M=x+1+d*y,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function Ns(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-x/s),d.push(B/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function Qs(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}Ls.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},Ls.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(Ls.parse._buffToStr(e));window.location.href=i},Ls.clone=function(e){return JSON.parse(JSON.stringify(e))},Ls.bin={},Ls.bin.f=new Float32Array(1),Ls.bin.fb=new Uint8Array(Ls.bin.f.buffer),Ls.bin.rf=function(e,t){for(var i=Ls.bin.f,s=Ls.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},Ls.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},Ls.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},Ls.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},Ls.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},Ls.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},Ls.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},Ls.parse={},Ls.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},Ls.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},Ls.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},Ls.parse.fromJSON=function(e){return JSON.parse(Ls.parse._buffToStr(e))},Ls.parse.toJSON=function(e){var t=JSON.stringify(e);return Ls.parse._strToBuff(t)},Ls.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=Ls.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,x=t.c_verts.length/3,B=t.c_uvt.length/2,w=t.c_norms.length/3;if(d<0&&(d=x+d+1),p<0&&(p=x+p+1),f<0&&(f=x+f+1),g<0&&(g=B+g+1),m<0&&(m=B+m+1),_<0&&(_=B+_+1),v<0&&(v=w+v+1),b<0&&(b=w+b+1),y<0&&(y=w+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var P=n[4].split("/"),C=parseInt(P[0])-1,M=parseInt(P[1])-1,E=parseInt(P[2])-1;C<0&&(C=x+C+1),M<0&&(M=B+M+1),E<0&&(E=w+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return i.to=t.i_verts.length,t},Ls.parse.fromMD2=function(e){e=new Uint8Array(e);var t={},i={};i.ident=Ls.bin.ril(e,0),i.version=Ls.bin.ril(e,4),i.skinwidth=Ls.bin.ril(e,8),i.skinheight=Ls.bin.ril(e,12),i.framesize=Ls.bin.ril(e,16),i.num_skins=Ls.bin.ril(e,20),i.num_vertices=Ls.bin.ril(e,24),i.num_st=Ls.bin.ril(e,28),i.num_tris=Ls.bin.ril(e,32),i.num_glcmds=Ls.bin.ril(e,36),i.num_frames=Ls.bin.ril(e,40),i.offset_skins=Ls.bin.ril(e,44),i.offset_st=Ls.bin.ril(e,48),i.offset_tris=Ls.bin.ril(e,52),i.offset_frames=Ls.bin.ril(e,56),i.offset_glcmds=Ls.bin.ril(e,60),i.offset_end=Ls.bin.ril(e,64);var s=i.offset_st;t.c_uvt=[];for(var r=0;r<i.num_st;r++){var o=Ls.bin.rsl(e,s)/i.skinwidth,n=Ls.bin.rsl(e,s+2)/i.skinheight;t.c_uvt.push(o,n),s+=4}s=i.offset_tris;var a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(Ls.bin.rsl(e,s),Ls.bin.rsl(e,s+2),Ls.bin.rsl(e,s+4)),l.push(Ls.bin.rsl(e,s+6),Ls.bin.rsl(e,s+8),Ls.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(Ls.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=Ls.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=Ls.bin.rf(e,s),u=Ls.bin.rf(e,s+4),d=Ls.bin.rf(e,s+8);s+=12;var p=Ls.bin.rf(e,s),f=Ls.bin.rf(e,s+4),g=Ls.bin.rf(e,s+8);s+=12,h.name=Ls.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Ls.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Ls.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Ls.mat={},Ls.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Ls.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Ls.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Ls.mat.rotate(e*s,t*s,i*s)},Ls.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Ls.edit={},Ls.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Ls.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Ls.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Ls.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Ls.utils={},Ls.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class Vs extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new Ds(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new fs(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new $i(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new jt(this,ks({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new Xt(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Hs=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},js=c.vec3(),Gs=c.vec3(),zs=c.vec3();class Ws{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Hs(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];js[0]=e[r],js[1]=e[r+1],js[2]=e[r+2],Gs[0]=e[o],Gs[1]=e[o+1],Gs[2]=e[o+2],zs[0]=e[n],zs[1]=e[n+1],zs[2]=e[n+2],c.cross3Vec3(js,Gs,js),i+=c.dotVec3(js,zs)}return i/6}}const Ks=new Ws,Xs=c.vec3(),Js=c.vec3(),Ys=c.vec3(),Zs=c.vec3(),qs=c.vec3(),$s=c.vec3();class er{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Xs[0]=e[r],Xs[1]=e[r+1],Xs[2]=e[r+2],Js[0]=e[o],Js[1]=e[o+1],Js[2]=e[o+2],Ys[0]=e[n],Ys[1]=e[n+1],Ys[2]=e[n+2],c.subVec3(Xs,Js,Zs),c.subVec3(Ys,Js,qs),i+=.5*c.lenVec3(c.cross3Vec3(Zs,qs,$s))}return i}}const tr=new er,ir=c.OBB3(),sr=c.OBB3(),rr=c.OBB3();class or{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Ks.reset(),Ks.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Ks.addVertex(e)})),this.getEachIndex((e=>{Ks.addIndex(e)})),this._volume=Ks.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":tr.reset(),this.getEachVertex((e=>{tr.addVertex(e)})),this.getEachIndex((e=>{tr.addIndex(e)})),this._surfaceArea=tr.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){this._aabbLocal=e}get aabb(){if(this._aabbWorldDirty){if(c.AABB3ToOBB3(this._aabbLocal,ir),this.transform?(c.transformOBB3(this.transform.worldMatrix,ir,sr),c.transformOBB3(this.model.worldMatrix,sr,rr),c.OBB3ToAABB3(rr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,ir,sr),c.OBB3ToAABB3(sr,this._aabbWorld)),this.origin){const e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const nr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let ar=0;const lr={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Ar=new Float32Array([1,1,1,1]),hr=new Float32Array([0,0,0,1]),cr=c.vec4(),ur=c.vec3(),dr=c.vec3(),pr=c.mat4();class fr{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const s=this._uSectionPlanes[t];if(s)if(t<n){const r=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(s.active,r?1:0),r){const r=a[t],o=e._state.origin;if(o){const e=X(r.dist,r.dir,o,ur);i.uniform3fv(s.pos,e)}else i.uniform3fv(s.pos,r.pos);i.uniform3fv(s.dir,r.dir)}}else i.uniform1i(s.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=De.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,rotationMatrixConjugate:x,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(x,0);const C=0!==u[0]||0!==u[1]||0!==u[2],M=0!==b[0]||0!==b[1]||0!==b[2];if(C||M){const e=ur;if(C){const t=c.transformPoint3(y,u,dr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(z(v,e,pr),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(d,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;cr[0]=i,cr[1]=s,cr[2]=t.blendCutoff,cr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,cr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?hr:Ar)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class gr extends fr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class mr extends gr{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class _r extends gr{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class vr extends gr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class br extends gr{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class yr extends br{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class xr extends br{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Br extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class wr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Pr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Cr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Mr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("const float   packUpScale = 256. / 255.;"),s.push("const float   unpackDownscale = 255. / 256.;"),s.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),s.push("const float   shiftRight8 = 1.0 / 256.;"),s.push("vec4 packDepthToRGBA( const in float v ) {"),s.push("    vec4 r = vec4( fract( v * packFactors ), v );"),s.push("    r.yzw -= r.xyz * shiftRight8;"),s.push("    return r * packUpScale;"),s.push("}"),s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Er extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Fr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Ir extends gr{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Dr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Sr extends gr{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Tr=c.vec3(),Rr=c.vec3(),Lr=c.vec3(),Ur=c.vec3(),Or=c.mat4();class kr extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Tr;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Rr;if(l){const e=Lr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Or),m=Ur,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Nr=c.vec3(),Qr=c.vec3(),Vr=c.vec3(),Hr=c.vec3(),jr=c.mat4();class Gr extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Nr;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Qr;if(l){const e=Vr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,jr),m=Hr,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class zr{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new vr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Br(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new kr(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Gr(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new mr(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new mr(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new _r(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new _r(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Sr(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Sr(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Sr(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Sr(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Ir(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Ir(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new vr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Mr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Er(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yr(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new xr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Br(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Pr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Dr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Cr(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Fr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Gr(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new kr(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Wr={};let Kr=65536,Xr=5e6;class Jr{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Kr=e}get maxDataTextureHeight(){return Kr}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Xr=e}get maxGeometryBatchSize(){return Xr}}const Yr=new Jr;class Zr{constructor(){this.maxVerts=Yr.maxGeometryBatchSize,this.maxIndices=3*Yr.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const qr=c.mat4(),$r=c.mat4();function eo(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(qr),c.translationMat4v(t,qr),c.identityMat4($r),c.scalingMat4v([l/u,A/u,h/u],$r),c.mulMat4(qr,$r,i),r}function to(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(qr),c.translationMat4v(e,qr),c.identityMat4($r),c.scalingMat4v([o/l,n/l,a/l],$r),c.mulMat4(qr,$r,t),t}function io(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function so(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const ro=c.mat4(),oo=c.mat4(),no=c.vec4([0,0,0,1]),ao=c.vec3(),lo=c.vec3(),Ao=c.vec3(),ho=c.vec3(),co=c.vec3(),uo=c.vec3(),po=c.vec3();class fo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Wr[t];return i||(i=new zr(e),Wr[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wr[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Zr(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=ro;m?c.inverseMat4(c.transposeMat4(m,oo),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=io(p,"floor","floor"),a=so(n),A=h=o(p,a),n=io(p,"ceil","floor"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),n=io(p,"floor","ceil"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),n=io(p,"ceil","ceil"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):eo(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new Ve(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Qt.getUVBounds(i.uv),r=Qt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new Ve(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new Ve(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&J),A=!!(t&ee),h=!!(t&te),c=!!(t&ie),u=!!(t&se),d=!!(t&Z),p=!!(t&Y);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,g=!l||p?lr.NOT_RENDERED:c?lr.SILHOUETTE_SELECTED:h?lr.SILHOUETTE_HIGHLIGHTED:A?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let m=0;m=!l||p?lr.NOT_RENDERED:c?lr.EDGES_SELECTED:h?lr.EDGES_HIGHLIGHTED:A?lr.EDGES_XRAYED:u?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let _=l&&!p&&d?lr.PICK:lr.NOT_RENDERED;const v=t&q?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=i.origin,n=o[0],a=o[1],l=o[2],A=no,h=this.model.matrix,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)A[0]=r[e],A[1]=r[e+1],A[2]=r[e+2],A[3]=1,c.decompressPosition(A,u),c.transformPoint4(h,A),A[0]+=n,A[1]+=a,A[2]+=l,t(A)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=ao,d=lo;u.set(A?c.subVec3(t,A,Ao):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=ho,f=co,g=uo;let m=!1,_=0;const v=po;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class go extends fr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class mo extends go{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class _o extends go{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class vo extends go{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class bo extends go{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class yo extends bo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class xo extends bo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Bo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class wo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Po extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Co extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Mo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Eo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Fo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Io={3e3:"linearToLinear",3001:"sRGBToLinear"};class Do extends go{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Io[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Io[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class So extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class To extends go{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Ro=c.vec3(),Lo=c.vec3(),Uo=c.vec3(),Oo=c.vec3(),ko=c.mat4();class No extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ro;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Lo;if(l){const e=c.transformPoint3(h,l,Uo);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,ko),m=Oo,m[0]=n.eye[0]-t[0],m[1]=n.eye[1]-t[1],m[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,m),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Qo=c.vec3(),Vo=c.vec3(),Ho=c.vec3(),jo=c.vec3(),Go=c.mat4();class zo extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Qo;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Vo;if(l){const e=c.transformPoint3(h,l,Ho);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Go),m=jo,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Wo{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new vo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Bo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wo(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new No(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new zo(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new mo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new mo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new _o(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new _o(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new To(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new To(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new To(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new To(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Do(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Do(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new vo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Mo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Eo(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new xo(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Bo(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Po(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new So(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wo(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Co(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Fo(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new zo(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new No(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ko={};const Xo=new Uint8Array(4),Jo=new Float32Array(1),Yo=c.vec4([0,0,0,1]),Zo=new Float32Array(3),qo=c.vec3(),$o=c.vec3(),en=c.vec3(),tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.vec3(),nn=new Float32Array(4);class an{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ko[t];return i||(i=new Wo(e),Ko[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Ko[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new Ve(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new Ve(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new Ve(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new Ve(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Ve(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new Ve(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Xo[0]=t[0],Xo[1]=t[1],Xo[2]=t[2],Xo[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Xo,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?1:0)<<16,Jo[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Jo,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Zo[0]=t[0],Zo[1]=t[1],Zo[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Zo,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=i.origin,a=n[0],l=n[1],A=n[2],h=Yo,u=r.matrix,d=this.model.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)h[0]=o[e],h[1]=o[e+1],h[2]=o[e+2],c.decompressPosition(h,p),c.transformPoint3(u,h),c.transformPoint3(d,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;nn[0]=t[0],nn[1]=t[4],nn[2]=t[8],nn[3]=t[12],this._state.modelMatrixCol0Buf.setData(nn,i),nn[0]=t[1],nn[1]=t[5],nn[2]=t[9],nn[3]=t[13],this._state.modelMatrixCol1Buf.setData(nn,i),nn[0]=t[2],nn[1]=t[6],nn[2]=t[10],nn[3]=t[14],this._state.modelMatrixCol2Buf.setData(nn,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=qo,p=$o;d.set(h?c.subVec3(t,h,en):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=tn,g=sn,m=rn;let _=!1,v=0;const b=on;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(c.decompressPosition(f,x),c.decompressPosition(g,x),c.decompressPosition(m,x),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class ln extends fr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class An extends ln{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class hn extends ln{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const cn=c.vec3(),un=c.vec3(),dn=c.vec3(),pn=c.vec3(),fn=c.mat4();class gn extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=cn;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=un;if(l){const e=dn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,fn),m=pn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const mn=c.vec3(),_n=c.vec3(),vn=c.vec3(),bn=c.vec3(),yn=c.mat4();class xn extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=mn;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=_n;if(l){const e=vn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,yn),m=bn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Bn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new An(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new hn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new gn(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new xn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const wn={};class Pn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class Cn{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=wn[t];return i||(i=new Bn(e),wn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete wn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Pn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=eo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&J),l=!!(t&ee),A=!!(t&te),h=!!(t&ie),c=!!(t&Z),u=!!(t&Y);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,p=!a||u?lr.NOT_RENDERED:h?lr.SILHOUETTE_SELECTED:A?lr.SILHOUETTE_HIGHLIGHTED:l?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let f=a&&!u&&c?lr.PICK:lr.NOT_RENDERED;const g=t&q?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Mn extends fr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class En extends Mn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Fn extends Mn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const In=c.vec3(),Dn=c.vec3(),Sn=c.vec3();c.vec3();const Tn=c.mat4();class Rn extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=In;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Dn;if(l){const e=c.transformPoint3(h,l,Sn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Tn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ln=c.vec3(),Un=c.vec3(),On=c.vec3();c.vec3();const kn=c.mat4();class Nn extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ln;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Un;if(l){const e=c.transformPoint3(h,l,On);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,kn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Qn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Rn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Nn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new En(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Fn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Rn(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Nn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Vn={};const Hn=new Uint8Array(4),jn=new Float32Array(1),Gn=new Float32Array(3),zn=new Float32Array(4);class Wn{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Vn[t];return i||(i=new Qn(e),Vn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Vn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new Ve(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new Ve(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new Ve(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Hn[0]=t[0],Hn[1]=t[1],Hn[2]=t[2],Hn[3]=t[3],this._state.colorsBuf.setData(Hn,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?255:0)<<16,jn[0]=d,this._state.flagsBuf.setData(jn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Gn[0]=t[0],Gn[1]=t[1],Gn[2]=t[2],this._state.offsetsBuf.setData(Gn,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;zn[0]=t[0],zn[1]=t[4],zn[2]=t[8],zn[3]=t[12],this._state.modelMatrixCol0Buf.setData(zn,i),zn[0]=t[1],zn[1]=t[5],zn[2]=t[9],zn[3]=t[13],this._state.modelMatrixCol1Buf.setData(zn,i),zn[0]=t[2],zn[1]=t[6],zn[2]=t[10],zn[3]=t[14],this._state.modelMatrixCol2Buf.setData(zn,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Kn extends fr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Xn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Jn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Yn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Zn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class qn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const $n=c.vec3(),ea=c.vec3(),ta=c.vec3(),ia=c.vec3(),sa=c.mat4();class ra extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=$n;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ea;if(l){const e=ta;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,sa),m=ia,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oa=c.vec3(),na=c.vec3(),aa=c.vec3(),la=c.vec3(),Aa=c.mat4();class ha extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=oa;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=na;if(l){const e=aa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Aa),m=la,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class ca{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Xn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Jn(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yn(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new qn(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ra(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ha(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const ua={};class da{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]}}class pa{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=ua[t];return i||(i=new ca(e),ua[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete ua[t],i._destroy()}))),i}(e.model.scene),this._buffer=new da(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.color,o=t.colorsCompressed,n=t.colors,a=t.pickColor,l=this._buffer,A=l.positions.length/3;let h;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(let e=0,t=s.length;e<t;e++)l.positions.push(s[e]);h=s.length/3}else{if(!i)throw"positions expected";h=i.length/3,i.length,l.positions.length;for(let e=0,t=i.length;e<t;e++)l.positions.push(i[e])}if(o)for(let e=0,t=o.length;e<t;e++)l.colors.push(o[e]);else if(n)for(let e=0,t=n.length;e<t;e++)l.colors.push(255*n[e]);else if(r){const e=r[0],t=r[1],i=r[2],s=1;for(let r=0;r<h;r++)l.colors.push(e),l.colors.push(t),l.colors.push(i),l.colors.push(s)}{const e=l.pickColors.length;for(let t=e,i=e+4*h;t<i;t+=4)l.pickColors.push(a[0]),l.pickColors.push(a[1]),l.pickColors.push(a[2]),l.pickColors.push(a[3])}if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<h;e++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);const u=this._portions.length/2;return this._portions.push(A),this._portions.push(h),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=eo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&J),l=!!(t&ee),A=!!(t&te),h=!!(t&ie),c=!!(t&Z),u=!!(t&Y);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,p=!a||u?lr.NOT_RENDERED:h?lr.SILHOUETTE_SELECTED:A?lr.SILHOUETTE_HIGHLIGHTED:l?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let f=a&&!u&&c?lr.PICK:lr.NOT_RENDERED;const g=t&q?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class fa extends fr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class ga extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ma extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class _a extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class va extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ba extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ya extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class xa extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Ba=c.vec3(),wa=c.vec3(),Pa=c.vec3();c.vec3();const Ca=c.mat4();class Ma extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ba;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=wa;if(l){const e=c.transformPoint3(h,l,Pa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Ca),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ea=c.vec3(),Fa=c.vec3(),Ia=c.vec3();c.vec3();const Da=c.mat4();class Sa extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ea;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Fa;if(l){const e=c.transformPoint3(h,l,Ia);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Da),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ta{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ga(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ma(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ya(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new _a(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new va(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ba(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new xa(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ma(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Sa(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ra={};const La=new Uint8Array(4),Ua=new Float32Array(1),Oa=new Float32Array(3),ka=new Float32Array(4);class Na{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ra[t];return i||(i=new Ta(e),Ra[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Ra[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new Ve(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new Ve(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new Ve(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";La[0]=t[0],La[1]=t[1],La[2]=t[2],this._state.colorsBuf.setData(La,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?255:0)<<16,Ua[0]=d,this._state.flagsBuf.setData(Ua,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Oa[0]=t[0],Oa[1]=t[1],Oa[2]=t[2],this._state.offsetsBuf.setData(Oa,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;ka[0]=t[0],ka[1]=t[4],ka[2]=t[8],ka[3]=t[12],this._state.modelMatrixCol0Buf.setData(ka,i),ka[0]=t[1],ka[1]=t[5],ka[2]=t[9],ka[3]=t[13],this._state.modelMatrixCol1Buf.setData(ka,i),ka[0]=t[2],ka[1]=t[6],ka[2]=t[10],ka[3]=t[14],this._state.modelMatrixCol2Buf.setData(ka,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const Qa=c.vec3(),Va=c.vec3(),Ha=c.mat4();class ja{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Qa;if(g){const t=c.transformPoint3(u,A,Va);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,Ha)}else f=p;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Qa);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ga{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ja(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const za={};class Wa{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class Ka{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class Xa{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ja={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ja,null,4));let e=0;Object.keys(Ja).forEach((t=>{t.startsWith("size")&&(e+=Ja[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ja.totalLines).toFixed(2)}`);let t={};Object.keys(Ja).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Ja[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Ya{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);Ja.sizeDataColorsAndFlags+=l.byteLength,Ja.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Ja.sizeDataTextureOffsets+=r.byteLength,Ja.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ja.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ja.sizeDataPositionDecodeMatrices+=o.byteLength,Ja.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Ja.sizeDataTexturePositions+=n.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Ja.sizeDataTexturePortionIds+=o.byteLength,Ja.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}}const Za=new Jr,qa=Za.maxDataTextureHeight,$a=new Float32Array(16),el=new Uint8Array(4),tl=new Float32Array(3);let il=0;const sl=c.identityMat4();class rl{constructor(e,t){Ja.numberOfLayers++,this._layerNumber=il++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=za[t];return i||(i=new Ga(e),za[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete za[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Wa,this._dataTextureState=new Ka,this._dataTextureGenerator=new Ya,this._state=new at({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ja.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*qa||t+r>4096*qa)&&Ja.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*qa&&t+r<=4096*qa}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;Ja.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,Ja.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||sl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,Ja.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,Ja.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,Ja.totalLines32Bits+=t.numLines),Ja.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Ja.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;el[0]=t[0],el[1]=t[1],el[2]=t[2],el[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(el,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,el))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&J),o=!!(t&ee),n=!!(t&Y);let a,l;a=!r||n||o?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,l=!r||n?lr.NOT_RENDERED:!!(t&ie)?lr.SILHOUETTE_SELECTED:!!(t&te)?lr.SILHOUETTE_HIGHLIGHTED:o?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let A=r&&!n&&!!(t&Z)?lr.PICK:lr.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;el[0]=a,el[1]=l,el[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(el,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,el))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&q?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;el[0]=s,el[1]=0,el[2]=1,el[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(el,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,el))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;tl[0]=t[0],tl[1]=t[1],tl[2]=t[2],i.texturePerObjectOffsets._textureData.set(tl,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,tl))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;$a.set(t),i.texturePerObjectInstanceMatrices._textureData.set($a,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,$a))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const ol=c.vec3(),nl=c.vec3(),al=c.vec3();c.vec3();const ll=c.vec4(),Al=c.mat4();class hl{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=ol;if(g){const t=c.transformPoint3(u,A,nl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,Al),f=al,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,ol);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;ll[0]=t,ll[1]=r,ll[2]=s.blendCutoff,ll[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,ll),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const cl=new Float32Array([1,1,1]),ul=c.vec3(),dl=c.vec3(),pl=c.vec3();c.vec3();const fl=c.mat4();class gl{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=ul;if(A){const t=dl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,fl),g=pl,g[0]=r.eye[0]-e[0],g[1]=r.eye[1]-e[1],g[2]=r.eye[2]-e[2]}else f=p,g=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===lr.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,cl);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,ul);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ml=new Float32Array([0,0,0,1]),_l=c.vec3(),vl=c.vec3();c.vec3();const bl=c.mat4();class yl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=_l;if(g){const t=c.transformPoint3(u,A,vl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,bl)}else f=p;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===lr.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ml);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,_l);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const xl=c.vec3(),Bl=c.vec3(),wl=c.mat4();class Pl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=xl;if(g){const t=c.transformPoint3(u,A,Bl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,wl)}else f=p;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,xl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Cl=c.vec3(),Ml=c.vec3(),El=c.vec3(),Fl=c.mat4();class Il{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s;let p,f;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Cl;if(g){const t=c.transformPoint3(u,A,Ml);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(o.viewMatrix,e,Fl),f=El,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=o.viewMatrix,f=o.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.project.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Cl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Dl=c.vec3(),Sl=c.vec3(),Tl=c.vec3();c.vec3();const Rl=c.mat4();class Ll{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=e.pickViewMatrix||o.viewMatrix;let f,g;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Dl;if(A){const e=Sl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],f=z(p,t,Rl),g=Tl,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=p,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),r.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Dl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ul=c.vec3(),Ol=c.vec3(),kl=c.vec3(),Nl=c.vec3();c.vec3();const Ql=c.mat4();class Vl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=Ul;let m,_;g[0]=c.safeInv(p[3]-p[0])*c.MAX_INT,g[1]=c.safeInv(p[4]-p[1])*c.MAX_INT,g[2]=c.safeInv(p[5]-p[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(g[0]),e.snapPickCoordinateScale[1]=c.safeInv(g[1]),e.snapPickCoordinateScale[2]=c.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=Ol;if(v){const e=c.transformPoint3(u,A,kl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=z(f,t,Ql),_=Nl,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Ul);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Hl=c.vec3(),jl=c.vec3(),Gl=c.vec3(),zl=c.vec3();c.vec3();const Wl=c.mat4();class Kl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=Hl;let m,_;g[0]=c.safeInv(p[3]-p[0])*c.MAX_INT,g[1]=c.safeInv(p[4]-p[1])*c.MAX_INT,g[2]=c.safeInv(p[5]-p[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(g[0]),e.snapPickCoordinateScale[1]=c.safeInv(g[1]),e.snapPickCoordinateScale[2]=c.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=jl;if(v){const e=Gl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=z(f,t,Wl),_=zl,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Hl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Xl=c.vec3(),Jl=c.vec3(),Yl=c.vec3();c.vec3();const Zl=c.mat4();class ql{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Xl;if(A){const t=Jl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,Zl),g=Yl,g[0]=o.eye[0]-e[0],g[1]=o.eye[1]-e[1],g[2]=o.eye[2]-e[2]}else f=p,g=o.eye;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Xl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const $l=c.vec3(),eA=c.vec3(),tA=c.vec3();c.vec3();const iA=c.mat4();class sA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=$l;if(g){const t=c.transformPoint3(u,A,eA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,iA),f=tA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,$l);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const rA=c.vec3(),oA=c.vec3(),nA=c.vec3();c.vec3();const aA=c.mat4();class lA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const g=0!==l[0]||0!==l[1]||0!==l[2],m=0!==A[0]||0!==A[1]||0!==A[2];if(g||m){const e=rA;if(g){const t=oA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],p=z(d,e,aA),f=nA,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(l){const e=X(i.dist,i.dir,l,rA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(De.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const AA=c.vec3(),hA=c.vec3(),cA=c.vec3();c.vec3(),c.vec4();const uA=c.mat4();class dA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=AA;if(g){const t=c.transformPoint3(u,A,hA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,uA),f=cA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,AA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class pA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new gl(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Il(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ll(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new dA(this._scene)),this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Kl(this._scene)),this._snapRenderer||(this._snapRenderer=new Vl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new hl(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new hl(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new gl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new sA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new lA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yl(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Pl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Il(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new dA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new dA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ll(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Kl(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ql(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const fA={};class gA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class mA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const _A={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(_A,null,4));let e=0;Object.keys(_A).forEach((t=>{t.startsWith("size")&&(e+=_A[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/_A.totalPolygons).toFixed(2)}`);let t={};Object.keys(_A).forEach((i=>{i.startsWith("size")&&(t[i]=`${(_A[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class vA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);_A.sizeDataColorsAndFlags+=h.byteLength,_A.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);_A.sizeDataTextureOffsets+=r.byteLength,_A.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);_A.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);_A.sizeDataPositionDecodeMatrices+=o.byteLength,_A.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);_A.sizeDataTexturePositions+=n.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),_A.sizeDataTexturePortionIds+=o.byteLength,_A.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}}const bA=new Jr,yA=bA.maxDataTextureHeight,xA=c.vec4(),BA=new Float32Array(16),wA=new Uint8Array(4),PA=new Float32Array(3);let CA=0;const MA=c.identityMat4();class EA{constructor(e,t){_A.numberOfLayers++,this._layerNumber=CA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=fA[t];return i||(i=new pA(e),fA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete fA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new gA,this._dtxState=new mA,this._dtxTextureFactory=new vA,this._state=new at({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&_A.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*yA||t+r>4096*yA)&&_A.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*yA&&t+r<=4096*yA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;_A.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;_A.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,_A.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||MA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,_A.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,_A.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,_A.totalPolygons32Bits+=t.numTriangles),_A.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,_A.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,_A.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,_A.totalEdges32Bits+=t.numEdges),_A.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,_A.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;if(wA[0]=t[0],wA[1]=t[1],wA[2]=t[2],wA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(wA,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,wA)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&J),o=!!(t&ee),n=!!(t&te),a=!!(t&ie),l=!!(t&se),A=!!(t&Z),h=!!(t&Y);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,u=!r||h?lr.NOT_RENDERED:a?lr.SILHOUETTE_SELECTED:n?lr.SILHOUETTE_HIGHLIGHTED:o?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let d=0;d=!r||h?lr.NOT_RENDERED:a?lr.EDGES_SELECTED:n?lr.EDGES_HIGHLIGHTED:o?lr.EDGES_XRAYED:l?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let p=r&&!h&&A?lr.PICK:lr.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;wA[0]=c,wA[1]=u,wA[2]=d,wA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(wA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,wA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&q?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;wA[0]=s,wA[1]=0,wA[2]=1,wA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(wA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,wA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],i.texturePerObjectOffsets._textureData.set(PA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,PA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;BA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(BA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,BA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=xA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.transformPoint4(this.model.worldMatrix,d),c.transformPoint4(this.model.worldMatrix,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,lr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class FA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class IA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const DA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class SA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const TA=new SA;class RA{constructor(e){this.manager=void 0!==e?e:TA,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const LA={};class UA extends RA{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=DA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==LA[e])return void LA[e].push({onLoad:t,onProgress:i,onError:s});LA[e]=[],LA[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=LA[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{DA.add(e,t);const i=LA[e];delete LA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=LA[e];if(void 0===i)throw this.manager.itemError(e),t;delete LA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class OA{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let kA=0;class NA{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new OA,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new UA;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new UA;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=NA.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(NA.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(NA.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(NA.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),kA>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),kA++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),kA--}}NA.BasisFormat={ETC1S:0,UASTC_4x4:1},NA.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},NA.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},NA.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const QA={};function VA(e){const t=e.scene.id;let i=QA[t];return i||(i=new NA({viewer:e}),QA[t]=i,e.scene.on("destroyed",(()=>{delete QA[t],i.destroy()}))),i}
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0});class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}let o=!0,n=o?Float64Array:Float32Array;const a=new n(3),l=new n(16),A=new n(16),h=new 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i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.translationMat4v(e,r))})(),translationMat4s:(e,t)=>c.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>c.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=c.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,u,d,p,f,g;return h=a*l,u=l*A,d=A*a,p=a*r,f=l*r,g=A*r,(i=i||c.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*d-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*u+p,i[7]=0,i[8]=n*d+f,i[9]=n*u-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>c.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=c.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=c.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>c.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=c.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,u=s*l,d=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const s=c.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],u=e[6],d=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,d),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(u,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,d),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(-h,d),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(u,d),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,d))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(u,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,d),i[1]=0)),i},composeMat4:(e,t,i,s=c.mat4())=>(c.quaternionToRotationMat4(t,s),c.scaleMat4v(i,s),c.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new n(3),t=new n(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=c.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=c.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=c.lenVec3(e);c.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,u=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=u,t[9]*=u,t[10]*=u,c.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=c.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],u=t[1],d=t[2];if(r===h&&o===u&&n===d)return c.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-u,g=n-d,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>c.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=c.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];c.addVec4(r,s,l),c.subVec4(r,s,A);const o=2*s[2],n=A[0],a=A[1],h=A[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return 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#182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==N.PICK_MODE_INSIDE&&e!==N.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===N.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class j{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const G=c.vec3(),z=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function W(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function K(e,t,i,s=1e3){const r=c.getPositionsCenter(e,G),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function X(e,t,i,s){const r=c.dotVec3(t,i)+e,o=c.normalizeVec3(t,G);return c.mulVec3Scalar(o,-r,s),s}const J=1,Y=4,Z=8,q=16,$=32,ee=256,te=512,ie=1024,se=2048,re=new Float32Array([0,0,0]),oe=new Uint16Array([0,0,0]);c.OBB3();class ne{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(J)}set visible(e){if(!!(this._flags&J)!==e){this._flags=e?this._flags|J:this._flags&~J;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(te)}set highlighted(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(ee)}set xrayed(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ie)}set selected(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(se)}set edges(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Y)!==e){this._flags=e?this._flags|Y:this._flags&~Y;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(q)}set clippable(e){if(!!(this._flags&q)!==e){this._flags=e?this._flags|q:this._flags&~q;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag($)}set collidable(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(Z)}set pickable(e){if(!!(this._flags&Z)!==e){this._flags=e?this._flags|Z:this._flags&~Z;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return re[0]=e[0]/255,re[1]=e[1]/255,re[2]=e[2]/255,re}set colorize(e){if(e){oe[0]=Math.floor(255*e[0]),oe[1]=Math.floor(255*e[1]),oe[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(oe)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ae=c.vec4(),le=c.vec4();class Ae extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ae.set(this._viewPos),ae[3]=1,c.transformPoint4(this.scene.camera.projMatrix,ae,le);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+le[0]/le[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-le[1]/le[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ne?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),W(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const he=()=>{};function ce(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class ue extends Ae{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new j(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ce(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function de(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",he),l=i("onMove",he),A=i("onEnd",he),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);ce(u.ownerDocument.body,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function pe(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",he),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return de(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}class fe{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class ge{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(H.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var me=c.vec3(),_e=c.vec3();class ve extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._cornerWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new ue(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new ue(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new ue(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new fe(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new fe(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new ge(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const d=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>d||f>d||g>d)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,u=t.length;h<u;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),c.subVec3(this._originWorld,this._cornerWorld,me),c.subVec3(this._targetWorld,this._cornerWorld,_e),!(0===me[0]&&0===me[1]&&0===me[2]||0===_e[0]&&0===_e[1]&&0===_e[2])){const e=this._approximate?" ~ ":" = ";c.normalizeVec3(me),c.normalizeVec3(_e);const t=Math.abs(c.angleVec3(me,_e));this._angle=t/c.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class be extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class ye extends be{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==t.parentNode&&h(e.offsetParent)),u=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==t.parentNode&&u(e.offsetParent)),d=c.vec2(),p=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:this._canvasToPagePos?(this._canvasToPagePos(t,i,d),this.markerDiv.style.left=d[0]-5+"px",this.markerDiv.style.top=d[1]-5+"px"):(this.markerDiv.style.left=u(t)+i[0]-5+"px",this.markerDiv.style.top=h(t)+i[1]-5+"px");break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const f=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class xe extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=pe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const Be=c.vec3(),we=c.vec3(),Pe=c.vec3();class Ce extends Ae{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,Be),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,we),r=c.addVec3(e.worldPos,s,Pe);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Me extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Ee=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Fe extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Me(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Ee.length;e++)try{this.gl=this.canvas.getContext(Ee[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Ie{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),z(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;z(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const De={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Se=document.createElement("canvas");if(Se){const e=Se.getContext("webgl",{antialias:!0})||Se.getContext("experimental-webgl",{antialias:!0});De.WEBGL=!!e,De.WEBGL&&(De.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?De.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?De.FS_MAX_FLOAT_PRECISION="mediump":De.FS_MAX_FLOAT_PRECISION="lowp":De.FS_MAX_FLOAT_PRECISION="mediump",De.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),De.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),De.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),De.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),De.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),De.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),De.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),De.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),De.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),De.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){De.SUPPORTED_EXTENSIONS[e]=!0})))}class Te{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Re{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class Le{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class Ue{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Oe=new e({});function ke(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Ne(e){console.error(e.join("\n"))}class Qe{constructor(e,t){this.id=Oe.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Re(e,e.VERTEX_SHADER,ke(this.source.vertex)),this._fragmentShader=new Re(e,e.FRAGMENT_SHADER,ke(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ne(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ne(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ne(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ne(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ne(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new Le(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Ue(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Oe.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class Ve{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class He{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const je=c.vec3([1,0,0]),Ge=c.vec3();class ze{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new He(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new He(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new Qe(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,z(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,X(i.dist,i.dir,o,Ge)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*je[0],i=255*je[1],s=255*je[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const We=c.vec2();class Ke{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;We[0]=o,We[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,We),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new Qe(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ve(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new Ve(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new Ve(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const Xe=new Float32Array(et(17,[0,1])),Je=new Float32Array(et(17,[1,0])),Ye=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push($e(s,t));return i}(17,4)),Ze=new Float32Array(2);class qe{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new Qe(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ve(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Ve(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),Ze[0]=n,Ze[1]=a,s.uniform2fv(this._uViewport,Ze),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,Je):s.uniform2fv(this._uSampleOffsets,Xe),s.uniform1fv(this._uSampleWeights,Ye);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function $e(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function et(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class tt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class it{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new tt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function st(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const rt=function(t,i){i=i||{};const s=new Ie(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new it(t);let w=!1;const P=new Ke(t),C=new qe(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!st(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!st(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!st(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!st(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!st(o,"WEBGL_compressed_texture_pvrtc")&&!st(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){x=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],u=[],f=[],g=[],m=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=d.length;e<t;e++){if(T=d[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(u[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(g[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(f[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(m[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)f[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)u[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)m[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)g[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=p.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=De.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=De.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new Te,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(w,P,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=z(g,w,A);P=c.mulMat4(m,e,h)}else P=c.mulMat4(m,g,h);const C=c.inverseMat4(P,u);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);w&&c.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new Te;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new ze(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class ot extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-s}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const nt=new e({});class at{constructor(e){this.id=nt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){nt.removeItem(this.id)}}class lt extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new at({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class At extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class ht extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class ct extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class ut extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new at({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const dt=c.vec3(),pt=c.vec3(),ft=c.vec3(),gt=c.vec3(),mt=c.vec3(),_t=c.vec3(),vt=c.vec4(),bt=c.vec4(),yt=c.vec4(),xt=c.mat4(),Bt=c.mat4(),wt=c.vec3(),Pt=c.vec3(),Ct=c.vec3(),Mt=c.vec3();class Et extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new at({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new At(this),this._ortho=new ht(this),this._frustum=new ct(this),this._customProjection=new ut(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,wt),c.normalizeVec3(wt,Pt),c.mulVec3Scalar(Pt,1e3,Ct),c.addVec3(this._look,Ct,Mt),t=Mt):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,Bt),c.mulMat4(e.deviceMatrix,Bt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,dt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,xt),t=c.transformPoint3(xt,t,pt),this.eye=c.addVec3(this._look,t,ft),this.up=c.transformPoint3(xt,this._up,gt)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,dt);const i=c.cross3Vec3(c.normalizeVec3(t,pt),c.normalizeVec3(this._up,ft));c.rotationMat4v(.0174532925*e,i,xt),t=c.transformPoint3(xt,t,gt),this.up=c.transformPoint3(xt,this._up,mt),this.eye=c.addVec3(t,this._look,_t)}yaw(e){let t=c.subVec3(this._look,this._eye,dt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,xt),t=c.transformPoint3(xt,t,pt),this.look=c.addVec3(t,this._eye,ft),this._gimbalLock&&(this.up=c.transformPoint3(xt,this._up,gt))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,dt);const i=c.cross3Vec3(c.normalizeVec3(t,pt),c.normalizeVec3(this._up,ft));c.rotationMat4v(.0174532925*e,i,xt),this.up=c.transformPoint3(xt,this._up,_t),t=c.transformPoint3(xt,t,gt),this.look=c.addVec3(t,this._eye,mt)}pan(e){const t=c.subVec3(this._eye,this._look,dt),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,pt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,ft),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,gt),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,mt),this.look=c.addVec3(this._look,i,_t)}zoom(e){const t=c.subVec3(this._eye,this._look,dt),i=Math.abs(c.lenVec3(t,pt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,ft);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),gt)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,dt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=vt,i=bt,s=yt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Ft extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class It extends Ft{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new at({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new tt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Dt extends Ft{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class St extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var Tt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(c.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Rt=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var Lt=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var Ut=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function Ot(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function kt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Nt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Qt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Rt,compressPositions:Lt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Ut,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Ot(e,a,"floor","floor"),s=kt(i),o=n=Nt(e,a,s),i=Ot(e,a,"ceil","floor"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),i=Ot(e,a,"floor","ceil"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),i=Ot(e,a,"ceil","ceil"),s=kt(i),o=Nt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},Vt=p.memory,Ht=c.AABB3();class jt extends St{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new at({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Qt.getPositionsBounds(t.positions),s=Qt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Qt.getUVBounds(t.uv),s=Qt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Qt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),Vt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Vt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Vt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new Ve(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Vt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Vt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Ve(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Vt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=Tt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Vt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new Ve(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),Vt.positions+=this._pickTrianglePositionsBuf.numItems,Vt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Qt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Qt.getPositionsBounds(e),s=Qt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Qt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Qt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,Ht,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(Ht,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Vt.meshes--}}function Gt(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class zt extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const Wt={opaque:0,mask:1,blend:2},Kt=["opaque","mask","blend"];class Xt extends zt{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=Wt[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Kt[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const Jt={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class Yt extends zt{get type(){return"EmphasisMaterial"}get presets(){return Jt}constructor(e,t={}){super(e,t),this._state=new at({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=Jt[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Jt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Zt={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class qt extends zt{get type(){return"EdgeMaterial"}get presets(){return Zt}constructor(e,t={}){super(e,t),this._state=new at({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Zt[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Zt).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const $t={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class ei extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return $t}set units(e){e||(e="meters");$t[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class ti extends D{constructor(e,t={}){super(e,t),this._supported=De.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ii extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const si={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class ri extends zt{get type(){return"PointsMaterial"}get presets(){return si}constructor(e,t={}){super(e,t),this._state=new at({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=si[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(si).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const oi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class ni extends zt{get type(){return"LinesMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new at({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function ai(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class li extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Fe(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new rt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new ot(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new ei(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new ti(this,{enabled:t.saoEnabled}),this.crossSections=new ii(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new lt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Et(this,{id:"default.camera",dontClear:!0}),new Dt(this,{color:[1,1,1],intensity:.7}),new It(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new It(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||Gt(jt)}get material(){return this.components["default.material"]||new Xt(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new Yt(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new Yt(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new Yt(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new qt(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new ri(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new ni(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=ai(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=ai(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Ai=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=ui(e),u=s.getNumAllocatedSectionPlanes()>0,d=ci(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=ui(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=ci(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+hi[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+hi[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+hi[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+hi[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+hi[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+hi[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},hi={};function ci(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function ui(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}hi[3e3]="linearToLinear",hi[3001]="sRGBToLinear";const di=c.vec3(),pi=new e({}),fi=function(e,t){this.id=pi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ai(t),this._allocate(t)},gi={};fi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=gi[i];if(!s){if(s=new fi(i,e),s.errors)return console.log(s.errors.join("\n")),null;gi[i]=s,p.memory.programs++}return s._useCount++,s},fi.prototype.put=function(){0==--this._useCount&&(pi.removeItem(this.id),this._program&&this._program.destroy(),delete gi[this._hash],p.memory.programs--)},fi.prototype.webglContextRestored=function(){this._program=null},fi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=De.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=X(i.dist,i.dir,c,di);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},fi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},fi.prototype._bindProgram=function(e){const t=De.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class mi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const _i=new e({}),vi=c.vec3(),bi=function(e,t){this.id=_i.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new mi(t),this._allocate(t)},yi={};bi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=yi[t];return i||(i=new bi(t,e),yi[t]=i,p.memory.programs++),i._useCount++,i},bi.prototype.put=function(){0==--this._useCount&&(_i.removeItem(this.id),this._program&&this._program.destroy(),delete yi[this._hash],p.memory.programs--)},bi.prototype.webglContextRestored=function(){this._program=null},bi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=X(i.dist,i.dir,A,vi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},bi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new Qe(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},bi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class xi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Bi=new e({}),wi=c.vec3(),Pi=function(e,t){this.id=Bi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new xi(t),this._allocate(t)},Ci={};Pi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ci[t];return i||(i=new Pi(t,e),Ci[t]=i,p.memory.programs++),i._useCount++,i},Pi.prototype.put=function(){0==--this._useCount&&(Bi.removeItem(this.id),this._program&&this._program.destroy(),delete Ci[this._hash],p.memory.programs--)},Pi.prototype.webglContextRestored=function(){this._program=null},Pi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=X(i.dist,i.dir,h,wi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Pi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Pi.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Mi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Ei=c.vec3(),Fi=function(e,t){this._hash=e,this._shaderSource=new Mi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Ii={};Fi.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Ii[t];if(!i){if(i=new Fi(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ii[t]=i,p.memory.programs++}return i._useCount++,i},Fi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ii[this._hash],p.memory.programs--)},Fi.prototype.webglContextRestored=function(){this._program=null},Fi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=X(i.dist,i.dir,a,Ei);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Fi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Fi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Di{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const Si=c.vec3(),Ti=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Di(t),this._allocate(t)},Ri={};Ti.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ri[t];if(!i){if(i=new Ti(t,e),i.errors)return console.log(i.errors.join("\n")),null;Ri[t]=i,p.memory.programs++}return i._useCount++,i},Ti.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ri[this._hash],p.memory.programs--)},Ti.prototype.webglContextRestored=function(){this._program=null},Ti.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=X(i.dist,i.dir,l,Si);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},Ti.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class Li{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const Ui=c.vec3(),Oi=function(e,t){this._hash=e,this._shaderSource=new Li(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ki={};Oi.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=ki[t];if(!i){if(i=new Oi(t,e),i.errors)return console.log(i.errors.join("\n")),null;ki[t]=i,p.memory.programs++}return i._useCount++,i},Oi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ki[this._hash],p.memory.programs--)},Oi.prototype.webglContextRestored=function(){this._program=null},Oi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=X(i.dist,i.dir,a,Ui);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Oi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Oi.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Ni{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Qi=function(e,t){this._hash=e,this._shaderSource=new Ni(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Vi={};Qi.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=Vi[i];if(!s){if(s=new Qi(i,e),s.errors)return console.log(s.errors.join("\n")),null;Vi[i]=s,p.memory.programs++}return s._useCount++,s},Qi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Vi[this._hash],p.memory.programs--)},Qi.prototype.webglContextRestored=function(){this._program=null},Qi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Qi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Qe(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Qi.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Hi{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const ji=c.OBB3(),Gi=c.vec4(),zi=c.vec4(),Wi=c.vec4(),Ki=c.vec3([1,0,0]),Xi=c.vec3([0,1,0]),Ji=c.vec3([0,0,1]),Yi=c.vec3(3),Zi=c.vec3(3),qi=c.identityMat4();class $i extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Hi,this._state=new at({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||qi),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=fi.get(this),this._emphasisFillRenderer=bi.get(this),this._emphasisEdgesRenderer=Pi.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Fi.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Oi.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,ji),c.OBB3ToAABB3(ji,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Gi[0]=e[0],Gi[1]=e[1],Gi[2]=e[2],Gi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Gi,zi),c.mulQuaternions(this.quaternion,zi,Wi),this.quaternion=Wi,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Gi[0]=e[0],Gi[1]=e[1],Gi[2]=e[2],Gi[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Gi,zi),c.mulQuaternions(zi,this.quaternion,zi),this}rotateX(e){return this.rotate(Ki,e)}rotateY(e){return this.rotate(Xi,e)}rotateZ(e){return this.rotate(Ji,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,Yi),c.mulVec3Scalar(Yi,t,Zi),c.addVec3(this.position,Zi,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Ki,e)}translateY(e){return this.translate(Xi,e)}translateZ(e){return this.translate(Ji,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=fi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=fi.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=bi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Pi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Oi.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Qi.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Fi.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Ti.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){es(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const es=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),x=c.vec3(),B=c.vec3(),w=c.vec3(),P=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,W=Q.positions;let K,X,J;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,X=3*k,J=3*N}else K=3*V,X=K+3,J=X+3;if(i[0]=W[K+0],i[1]=W[K+1],i[2]=W[K+2],s[0]=W[X+0],s[1]=W[X+1],s[2]=W[X+2],r[0]=W[J+0],r[1]=W[J+1],r[2]=W[J+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Qt.decompressPosition(i,e,i),Qt.decompressPosition(s,e,s),Qt.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?z(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Qt.decompressNormal(Y.subarray(e,e+2),h),Qt.decompressNormal(Y.subarray(t,t+2),u),Qt.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2],d[0]=Y[J],d[1]=Y[J+1],d[2]=Y[J+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),x),c.mulVec3Scalar(d,A[2],B),w);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Qt.decompressUV(p,e,p),Qt.decompressUV(f,e,f),Qt.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function ts(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative 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rs(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,x=.04,B=0;B<v.length;B++){A=0,c=(h=v[B]).length;for(var w=0;w<c;w++)if(u=ss[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(y+m[1]*o*x+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}y-=35*x*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class os extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new at({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const ns=c.vec4(4),as=c.vec4(),ls=c.vec4(),As=c.vec3([1,0,0]),hs=c.vec3([0,1,0]),cs=c.vec3([0,0,1]),us=c.vec3(3),ds=c.vec3(3),ps=c.identityMat4();class fs extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||ps),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ns[0]=e[0],ns[1]=e[1],ns[2]=e[2],ns[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ns,as),c.mulQuaternions(this.quaternion,as,ls),this.quaternion=ls,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return ns[0]=e[0],ns[1]=e[1],ns[2]=e[2],ns[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ns,as),c.mulQuaternions(as,this.quaternion,as),this}rotateX(e){return this.rotate(As,e)}rotateY(e){return this.rotate(hs,e)}rotateZ(e){return this.rotate(cs,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,us),c.mulVec3Scalar(us,t,ds),c.addVec3(this.position,ds,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(As,e)}translateY(e){return this.translate(hs,e)}translateZ(e){return this.translate(cs,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class gs extends zt{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const ms={opaque:0,mask:1,blend:2},_s=["opaque","mask","blend"];class vs extends zt{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=ms[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return _s[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const bs={opaque:0,mask:1,blend:2},ys=["opaque","mask","blend"];class xs extends zt{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new at({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=bs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return ys[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Bs(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=st(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=st(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=st(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=st(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=st(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=st(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=st(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const ws=new Uint8Array([0,0,0,1]);class Ps{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(ws[0]=Math.floor(255*e[0]),ws[1]=Math.floor(255*e[1]),ws[2]=Math.floor(255*e[2]),ws[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(ws[0]=0,ws[1]=0,ws[2]=0,ws[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,ws)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,ws);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Bs(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Bs(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Bs(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Bs(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Bs(i,this.format,this.encoding),d=Bs(i,this.type),p=Cs(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Bs(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Bs(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Bs(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Ms(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Ms(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Bs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Bs(i,this.magFilter)));const a=Bs(i,this.format,this.encoding),l=Bs(i,this.type),A=Cs(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Bs(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Bs(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Bs(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Bs(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Cs(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||st(e,"EXT_color_buffer_float"),n}function Ms(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Es(e){if(!Fs(e.width)||!Fs(e.height)){const t=document.createElement("canvas");t.width=Is(e.width),t.height=Is(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Fs(e){return 0==(e&e-1)}function Is(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Ds extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new at({texture:new Ps({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Ps({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Es(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Es(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const Ss=p.memory,Ts=c.AABB3();class Rs extends St{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new at({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Qt.getPositionsBounds(t.positions),o=Qt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new Ve(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),Ss.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,Ts,i.positionsDecodeMatrix),c.AABB3ToOBB3(Ts,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new Ve(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),Ss.colors+=i.colorsBuf.numItems}if(t.uv){const e=Qt.getUVBounds(t.uv),r=Qt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new Ve(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),Ss.uvs+=i.uvBuf.numItems}if(t.normals){const e=Qt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new Ve(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),Ss.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),Ss.indices+=i.indicesBuf.numItems;const o=Tt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),Ss.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),Ss.meshes--}}var Ls={};function Us(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Os(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function ks(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,x,B,w,P,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=x/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(x=0;x<c;x++)w=x+d*y,P=x+d*(y+1),C=x+1+d*(y+1),M=x+1+d*y,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function Ns(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-x/s),d.push(B/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function Qs(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}Ls.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},Ls.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(Ls.parse._buffToStr(e));window.location.href=i},Ls.clone=function(e){return JSON.parse(JSON.stringify(e))},Ls.bin={},Ls.bin.f=new Float32Array(1),Ls.bin.fb=new Uint8Array(Ls.bin.f.buffer),Ls.bin.rf=function(e,t){for(var i=Ls.bin.f,s=Ls.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},Ls.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},Ls.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},Ls.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},Ls.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},Ls.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},Ls.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},Ls.parse={},Ls.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},Ls.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},Ls.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},Ls.parse.fromJSON=function(e){return JSON.parse(Ls.parse._buffToStr(e))},Ls.parse.toJSON=function(e){var t=JSON.stringify(e);return Ls.parse._strToBuff(t)},Ls.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=Ls.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,x=t.c_verts.length/3,B=t.c_uvt.length/2,w=t.c_norms.length/3;if(d<0&&(d=x+d+1),p<0&&(p=x+p+1),f<0&&(f=x+f+1),g<0&&(g=B+g+1),m<0&&(m=B+m+1),_<0&&(_=B+_+1),v<0&&(v=w+v+1),b<0&&(b=w+b+1),y<0&&(y=w+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var P=n[4].split("/"),C=parseInt(P[0])-1,M=parseInt(P[1])-1,E=parseInt(P[2])-1;C<0&&(C=x+C+1),M<0&&(M=B+M+1),E<0&&(E=w+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return i.to=t.i_verts.length,t},Ls.parse.fromMD2=function(e){e=new Uint8Array(e);var t={},i={};i.ident=Ls.bin.ril(e,0),i.version=Ls.bin.ril(e,4),i.skinwidth=Ls.bin.ril(e,8),i.skinheight=Ls.bin.ril(e,12),i.framesize=Ls.bin.ril(e,16),i.num_skins=Ls.bin.ril(e,20),i.num_vertices=Ls.bin.ril(e,24),i.num_st=Ls.bin.ril(e,28),i.num_tris=Ls.bin.ril(e,32),i.num_glcmds=Ls.bin.ril(e,36),i.num_frames=Ls.bin.ril(e,40),i.offset_skins=Ls.bin.ril(e,44),i.offset_st=Ls.bin.ril(e,48),i.offset_tris=Ls.bin.ril(e,52),i.offset_frames=Ls.bin.ril(e,56),i.offset_glcmds=Ls.bin.ril(e,60),i.offset_end=Ls.bin.ril(e,64);var s=i.offset_st;t.c_uvt=[];for(var r=0;r<i.num_st;r++){var o=Ls.bin.rsl(e,s)/i.skinwidth,n=Ls.bin.rsl(e,s+2)/i.skinheight;t.c_uvt.push(o,n),s+=4}s=i.offset_tris;var a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(Ls.bin.rsl(e,s),Ls.bin.rsl(e,s+2),Ls.bin.rsl(e,s+4)),l.push(Ls.bin.rsl(e,s+6),Ls.bin.rsl(e,s+8),Ls.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(Ls.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=Ls.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=Ls.bin.rf(e,s),u=Ls.bin.rf(e,s+4),d=Ls.bin.rf(e,s+8);s+=12;var p=Ls.bin.rf(e,s),f=Ls.bin.rf(e,s+4),g=Ls.bin.rf(e,s+8);s+=12,h.name=Ls.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Ls.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Ls.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Ls.mat={},Ls.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Ls.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Ls.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Ls.mat.rotate(e*s,t*s,i*s)},Ls.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Ls.edit={},Ls.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Ls.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Ls.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Ls.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Ls.utils={},Ls.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class Vs extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new Ds(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new fs(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new $i(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new jt(this,ks({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new Xt(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Hs=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},js=c.vec3(),Gs=c.vec3(),zs=c.vec3();class Ws{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Hs(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];js[0]=e[r],js[1]=e[r+1],js[2]=e[r+2],Gs[0]=e[o],Gs[1]=e[o+1],Gs[2]=e[o+2],zs[0]=e[n],zs[1]=e[n+1],zs[2]=e[n+2],c.cross3Vec3(js,Gs,js),i+=c.dotVec3(js,zs)}return i/6}}const Ks=new Ws,Xs=c.vec3(),Js=c.vec3(),Ys=c.vec3(),Zs=c.vec3(),qs=c.vec3(),$s=c.vec3();class er{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Xs[0]=e[r],Xs[1]=e[r+1],Xs[2]=e[r+2],Js[0]=e[o],Js[1]=e[o+1],Js[2]=e[o+2],Ys[0]=e[n],Ys[1]=e[n+1],Ys[2]=e[n+2],c.subVec3(Xs,Js,Zs),c.subVec3(Ys,Js,qs),i+=.5*c.lenVec3(c.cross3Vec3(Zs,qs,$s))}return i}}const tr=new er,ir=c.OBB3(),sr=c.OBB3(),rr=c.OBB3();class or{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Ks.reset(),Ks.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Ks.addVertex(e)})),this.getEachIndex((e=>{Ks.addIndex(e)})),this._volume=Ks.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":tr.reset(),this.getEachVertex((e=>{tr.addVertex(e)})),this.getEachIndex((e=>{tr.addIndex(e)})),this._surfaceArea=tr.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){this._aabbLocal=e}get aabb(){if(this._aabbWorldDirty){if(c.AABB3ToOBB3(this._aabbLocal,ir),this.transform?(c.transformOBB3(this.transform.worldMatrix,ir,sr),c.transformOBB3(this.model.worldMatrix,sr,rr),c.OBB3ToAABB3(rr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,ir,sr),c.OBB3ToAABB3(sr,this._aabbWorld)),this.origin){const e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const nr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let ar=0;const lr={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Ar=new Float32Array([1,1,1,1]),hr=new Float32Array([0,0,0,1]),cr=c.vec4(),ur=c.vec3(),dr=c.vec3(),pr=c.mat4();class fr{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const s=this._uSectionPlanes[t];if(s)if(t<n){const r=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(s.active,r?1:0),r){const r=a[t],o=e._state.origin;if(o){const e=X(r.dist,r.dir,o,ur);i.uniform3fv(s.pos,e)}else i.uniform3fv(s.pos,r.pos);i.uniform3fv(s.dir,r.dir)}}else i.uniform1i(s.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=De.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,rotationMatrixConjugate:x,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(x,0);const C=0!==u[0]||0!==u[1]||0!==u[2],M=0!==b[0]||0!==b[1]||0!==b[2];if(C||M){const e=ur;if(C){const t=c.transformPoint3(y,u,dr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(z(v,e,pr),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(d,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;cr[0]=i,cr[1]=s,cr[2]=t.blendCutoff,cr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,cr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===lr[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?hr:Ar)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class gr extends fr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class mr extends gr{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class _r extends gr{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class vr extends gr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class br extends gr{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class yr extends br{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class xr extends br{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Br extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class wr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Pr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Cr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Mr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("const float   packUpScale = 256. / 255.;"),s.push("const float   unpackDownscale = 255. / 256.;"),s.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),s.push("const float   shiftRight8 = 1.0 / 256.;"),s.push("vec4 packDepthToRGBA( const in float v ) {"),s.push("    vec4 r = vec4( fract( v * packFactors ), v );"),s.push("    r.yzw -= r.xyz * shiftRight8;"),s.push("    return r * packUpScale;"),s.push("}"),s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Er extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Fr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Ir extends gr{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Dr extends gr{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Sr extends gr{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Tr=c.vec3(),Rr=c.vec3(),Lr=c.vec3(),Ur=c.vec3(),Or=c.mat4();class kr extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Tr;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Rr;if(l){const e=Lr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Or),m=Ur,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Nr=c.vec3(),Qr=c.vec3(),Vr=c.vec3(),Hr=c.vec3(),jr=c.mat4();class Gr extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Nr;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Qr;if(l){const e=Vr;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,jr),m=Hr,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class zr{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new vr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Br(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new kr(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Gr(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new mr(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new mr(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new _r(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new _r(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Sr(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Sr(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Sr(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Sr(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Ir(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Ir(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new vr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Mr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Er(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yr(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new xr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Br(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Pr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Dr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Cr(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Fr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Gr(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new kr(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Wr={};let Kr=65536,Xr=5e6;class Jr{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Kr=e}get maxDataTextureHeight(){return Kr}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Xr=e}get maxGeometryBatchSize(){return Xr}}const Yr=new Jr;class Zr{constructor(){this.maxVerts=Yr.maxGeometryBatchSize,this.maxIndices=3*Yr.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const qr=c.mat4(),$r=c.mat4();function eo(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(qr),c.translationMat4v(t,qr),c.identityMat4($r),c.scalingMat4v([l/u,A/u,h/u],$r),c.mulMat4(qr,$r,i),r}function to(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(qr),c.translationMat4v(e,qr),c.identityMat4($r),c.scalingMat4v([o/l,n/l,a/l],$r),c.mulMat4(qr,$r,t),t}function io(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function so(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const ro=c.mat4(),oo=c.mat4(),no=c.vec4([0,0,0,1]),ao=c.vec3(),lo=c.vec3(),Ao=c.vec3(),ho=c.vec3(),co=c.vec3(),uo=c.vec3(),po=c.vec3();class fo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Wr[t];return i||(i=new zr(e),Wr[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wr[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Zr(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=ro;m?c.inverseMat4(c.transposeMat4(m,oo),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=io(p,"floor","floor"),a=so(n),A=h=o(p,a),n=io(p,"ceil","floor"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),n=io(p,"floor","ceil"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),n=io(p,"ceil","ceil"),a=so(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):eo(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new Ve(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Qt.getUVBounds(i.uv),r=Qt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new Ve(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new Ve(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&J),A=!!(t&ee),h=!!(t&te),c=!!(t&ie),u=!!(t&se),d=!!(t&Z),p=!!(t&Y);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,g=!l||p?lr.NOT_RENDERED:c?lr.SILHOUETTE_SELECTED:h?lr.SILHOUETTE_HIGHLIGHTED:A?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let m=0;m=!l||p?lr.NOT_RENDERED:c?lr.EDGES_SELECTED:h?lr.EDGES_HIGHLIGHTED:A?lr.EDGES_XRAYED:u?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let _=l&&!p&&d?lr.PICK:lr.NOT_RENDERED;const v=t&q?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=i.origin,n=o[0],a=o[1],l=o[2],A=no,h=this.model.matrix,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)A[0]=r[e],A[1]=r[e+1],A[2]=r[e+2],A[3]=1,c.decompressPosition(A,u),c.transformPoint4(h,A),A[0]+=n,A[1]+=a,A[2]+=l,t(A)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=ao,d=lo;u.set(A?c.subVec3(t,A,Ao):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=ho,f=co,g=uo;let m=!1,_=0;const v=po;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class go extends fr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class mo extends go{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class _o extends go{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class vo extends go{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class bo extends go{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class yo extends bo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class xo extends bo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Bo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class wo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Po extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Co extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Mo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Eo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Fo extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Io={3e3:"linearToLinear",3001:"sRGBToLinear"};class Do extends go{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Io[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Io[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class So extends go{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class To extends go{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Ro=c.vec3(),Lo=c.vec3(),Uo=c.vec3(),Oo=c.vec3(),ko=c.mat4();class No extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ro;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Lo;if(l){const e=c.transformPoint3(h,l,Uo);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,ko),m=Oo,m[0]=n.eye[0]-t[0],m[1]=n.eye[1]-t[1],m[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,m),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Qo=c.vec3(),Vo=c.vec3(),Ho=c.vec3(),jo=c.vec3(),Go=c.mat4();class zo extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Qo;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Vo;if(l){const e=c.transformPoint3(h,l,Ho);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Go),m=jo,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Wo{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new vo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Bo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wo(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new No(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new zo(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new mo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new mo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new _o(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new _o(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new To(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new To(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new To(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new To(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Do(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Do(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new vo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Mo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Eo(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new xo(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Bo(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Po(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new So(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wo(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Co(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Fo(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new zo(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new No(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ko={};const Xo=new Uint8Array(4),Jo=new Float32Array(1),Yo=c.vec4([0,0,0,1]),Zo=new Float32Array(3),qo=c.vec3(),$o=c.vec3(),en=c.vec3(),tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.vec3(),nn=new Float32Array(4);class an{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ko[t];return i||(i=new Wo(e),Ko[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Ko[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new Ve(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new Ve(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new Ve(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new Ve(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Ve(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Ve(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new Ve(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new Ve(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Xo[0]=t[0],Xo[1]=t[1],Xo[2]=t[2],Xo[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Xo,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?1:0)<<16,Jo[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Jo,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Zo[0]=t[0],Zo[1]=t[1],Zo[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Zo,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=i.origin,a=n[0],l=n[1],A=n[2],h=Yo,u=r.matrix,d=this.model.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)h[0]=o[e],h[1]=o[e+1],h[2]=o[e+2],c.decompressPosition(h,p),c.transformPoint3(u,h),c.transformPoint3(d,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;nn[0]=t[0],nn[1]=t[4],nn[2]=t[8],nn[3]=t[12],this._state.modelMatrixCol0Buf.setData(nn,i),nn[0]=t[1],nn[1]=t[5],nn[2]=t[9],nn[3]=t[13],this._state.modelMatrixCol1Buf.setData(nn,i),nn[0]=t[2],nn[1]=t[6],nn[2]=t[10],nn[3]=t[14],this._state.modelMatrixCol2Buf.setData(nn,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=qo,p=$o;d.set(h?c.subVec3(t,h,en):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=tn,g=sn,m=rn;let _=!1,v=0;const b=on;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(c.decompressPosition(f,x),c.decompressPosition(g,x),c.decompressPosition(m,x),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class ln extends fr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class An extends ln{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class hn extends ln{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const cn=c.vec3(),un=c.vec3(),dn=c.vec3(),pn=c.vec3(),fn=c.mat4();class gn extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=cn;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=un;if(l){const e=dn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,fn),m=pn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const mn=c.vec3(),_n=c.vec3(),vn=c.vec3(),bn=c.vec3(),yn=c.mat4();class xn extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=mn;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=_n;if(l){const e=vn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,yn),m=bn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Bn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new An(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new hn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new gn(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new xn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const wn={};class Pn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class Cn{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=wn[t];return i||(i=new Bn(e),wn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete wn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Pn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=eo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ve(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&J),l=!!(t&ee),A=!!(t&te),h=!!(t&ie),c=!!(t&Z),u=!!(t&Y);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,p=!a||u?lr.NOT_RENDERED:h?lr.SILHOUETTE_SELECTED:A?lr.SILHOUETTE_HIGHLIGHTED:l?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let f=a&&!u&&c?lr.PICK:lr.NOT_RENDERED;const g=t&q?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Mn extends fr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class En extends Mn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Fn extends Mn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const In=c.vec3(),Dn=c.vec3(),Sn=c.vec3();c.vec3();const Tn=c.mat4();class Rn extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=In;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Dn;if(l){const e=c.transformPoint3(h,l,Sn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Tn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ln=c.vec3(),Un=c.vec3(),On=c.vec3();c.vec3();const kn=c.mat4();class Nn extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ln;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Un;if(l){const e=c.transformPoint3(h,l,On);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,kn),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Qn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Rn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Nn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new En(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Fn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Rn(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Nn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Vn={};const Hn=new Uint8Array(4),jn=new Float32Array(1),Gn=new Float32Array(3),zn=new Float32Array(4);class Wn{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Vn[t];return i||(i=new Qn(e),Vn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Vn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new Ve(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new Ve(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new Ve(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Ve(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Hn[0]=t[0],Hn[1]=t[1],Hn[2]=t[2],Hn[3]=t[3],this._state.colorsBuf.setData(Hn,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?255:0)<<16,jn[0]=d,this._state.flagsBuf.setData(jn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Gn[0]=t[0],Gn[1]=t[1],Gn[2]=t[2],this._state.offsetsBuf.setData(Gn,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;zn[0]=t[0],zn[1]=t[4],zn[2]=t[8],zn[3]=t[12],this._state.modelMatrixCol0Buf.setData(zn,i),zn[0]=t[1],zn[1]=t[5],zn[2]=t[9],zn[3]=t[13],this._state.modelMatrixCol1Buf.setData(zn,i),zn[0]=t[2],zn[1]=t[6],zn[2]=t[10],zn[3]=t[14],this._state.modelMatrixCol2Buf.setData(zn,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Kn extends fr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Xn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Jn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Yn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Zn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class qn extends Kn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const $n=c.vec3(),ea=c.vec3(),ta=c.vec3(),ia=c.vec3(),sa=c.mat4();class ra extends fr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=$n;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ea;if(l){const e=ta;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,sa),m=ia,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oa=c.vec3(),na=c.vec3(),aa=c.vec3(),la=c.vec3(),Aa=c.mat4();class ha extends fr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=oa;let g,m;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=na;if(l){const e=aa;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Aa),m=la,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class ca{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Xn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Jn(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yn(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new qn(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ra(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ha(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const ua={};class da{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]}}class pa{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=ua[t];return i||(i=new ca(e),ua[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete ua[t],i._destroy()}))),i}(e.model.scene),this._buffer=new da(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new at({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.color,o=t.colorsCompressed,n=t.colors,a=t.pickColor,l=this._buffer,A=l.positions.length/3;let h;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(let e=0,t=s.length;e<t;e++)l.positions.push(s[e]);h=s.length/3}else{if(!i)throw"positions expected";h=i.length/3,i.length,l.positions.length;for(let e=0,t=i.length;e<t;e++)l.positions.push(i[e])}if(o)for(let e=0,t=o.length;e<t;e++)l.colors.push(o[e]);else if(n)for(let e=0,t=n.length;e<t;e++)l.colors.push(255*n[e]);else if(r){const e=r[0],t=r[1],i=r[2],s=1;for(let r=0;r<h;r++)l.colors.push(e),l.colors.push(t),l.colors.push(i),l.colors.push(s)}{const e=l.pickColors.length;for(let t=e,i=e+4*h;t<i;t+=4)l.pickColors.push(a[0]),l.pickColors.push(a[1]),l.pickColors.push(a[2]),l.pickColors.push(a[3])}if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<h;e++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);const u=this._portions.length/2;return this._portions.push(A),this._portions.push(h),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=eo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ve(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ve(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&J),l=!!(t&ee),A=!!(t&te),h=!!(t&ie),c=!!(t&Z),u=!!(t&Y);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,p=!a||u?lr.NOT_RENDERED:h?lr.SILHOUETTE_SELECTED:A?lr.SILHOUETTE_HIGHLIGHTED:l?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let f=a&&!u&&c?lr.PICK:lr.NOT_RENDERED;const g=t&q?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class fa extends fr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class ga extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ma extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class _a extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class va extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class ba extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ya extends fa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class xa extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Ba=c.vec3(),wa=c.vec3(),Pa=c.vec3();c.vec3();const Ca=c.mat4();class Ma extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ba;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=wa;if(l){const e=c.transformPoint3(h,l,Pa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Ca),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ea=c.vec3(),Fa=c.vec3(),Ia=c.vec3();c.vec3();const Da=c.mat4();class Sa extends fr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ea;let g;if(f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Fa;if(l){const e=c.transformPoint3(h,l,Ia);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=z(p,t,Da),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(u,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ta{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ga(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ma(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ya(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new _a(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new va(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ba(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new xa(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ma(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Sa(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ra={};const La=new Uint8Array(4),Ua=new Float32Array(1),Oa=new Float32Array(3),ka=new Float32Array(4);class Na{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ra[t];return i||(i=new Ta(e),Ra[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Ra[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new at({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new Ve(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new Ve(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new Ve(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new Ve(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";La[0]=t[0],La[1]=t[1],La[2]=t[2],this._state.colorsBuf.setData(La,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&J),r=!!(t&ee),o=!!(t&te),n=!!(t&ie),a=!!(t&se),l=!!(t&Z),A=!!(t&Y);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,c=!s||A?lr.NOT_RENDERED:n?lr.SILHOUETTE_SELECTED:o?lr.SILHOUETTE_HIGHLIGHTED:r?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let u=0;u=!s||A?lr.NOT_RENDERED:n?lr.EDGES_SELECTED:o?lr.EDGES_HIGHLIGHTED:r?lr.EDGES_XRAYED:a?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?lr.PICK:lr.NOT_RENDERED)<<12,d|=(t&q?255:0)<<16,Ua[0]=d,this._state.flagsBuf.setData(Ua,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Oa[0]=t[0],Oa[1]=t[1],Oa[2]=t[2],this._state.offsetsBuf.setData(Oa,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;ka[0]=t[0],ka[1]=t[4],ka[2]=t[8],ka[3]=t[12],this._state.modelMatrixCol0Buf.setData(ka,i),ka[0]=t[1],ka[1]=t[5],ka[2]=t[9],ka[3]=t[13],this._state.modelMatrixCol1Buf.setData(ka,i),ka[0]=t[2],ka[1]=t[6],ka[2]=t[10],ka[3]=t[14],this._state.modelMatrixCol2Buf.setData(ka,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const Qa=c.vec3(),Va=c.vec3(),Ha=c.mat4();class ja{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Qa;if(g){const t=c.transformPoint3(u,A,Va);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,Ha)}else f=p;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Qa);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ga{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ja(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const za={};class Wa{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class Ka{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class Xa{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const Ja={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Ja,null,4));let e=0;Object.keys(Ja).forEach((t=>{t.startsWith("size")&&(e+=Ja[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Ja.totalLines).toFixed(2)}`);let t={};Object.keys(Ja).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Ja[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Ya{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);Ja.sizeDataColorsAndFlags+=l.byteLength,Ja.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Ja.sizeDataTextureOffsets+=r.byteLength,Ja.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ja.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Ja.sizeDataPositionDecodeMatrices+=o.byteLength,Ja.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Ja.sizeDataTextureIndices+=o.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Ja.sizeDataTexturePositions+=n.byteLength,Ja.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Ja.sizeDataTexturePortionIds+=o.byteLength,Ja.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}}const Za=new Jr,qa=Za.maxDataTextureHeight,$a=new Float32Array(16),el=new Uint8Array(4),tl=new Float32Array(3);let il=0;const sl=c.identityMat4();class rl{constructor(e,t){Ja.numberOfLayers++,this._layerNumber=il++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=za[t];return i||(i=new Ga(e),za[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete za[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Wa,this._dataTextureState=new Ka,this._dataTextureGenerator=new Ya,this._state=new at({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Ja.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*qa||t+r>4096*qa)&&Ja.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*qa&&t+r<=4096*qa}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;Ja.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,Ja.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||sl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,Ja.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,Ja.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,Ja.totalLines32Bits+=t.numLines),Ja.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Ja.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;el[0]=t[0],el[1]=t[1],el[2]=t[2],el[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(el,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,el))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&J),o=!!(t&ee),n=!!(t&Y);let a,l;a=!r||n||o?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,l=!r||n?lr.NOT_RENDERED:!!(t&ie)?lr.SILHOUETTE_SELECTED:!!(t&te)?lr.SILHOUETTE_HIGHLIGHTED:o?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let A=r&&!n&&!!(t&Z)?lr.PICK:lr.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;el[0]=a,el[1]=l,el[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(el,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,el))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&q?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;el[0]=s,el[1]=0,el[2]=1,el[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(el,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,el))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;tl[0]=t[0],tl[1]=t[1],tl[2]=t[2],i.texturePerObjectOffsets._textureData.set(tl,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,tl))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;$a.set(t),i.texturePerObjectInstanceMatrices._textureData.set($a,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,$a))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const ol=c.vec3(),nl=c.vec3(),al=c.vec3();c.vec3();const ll=c.vec4(),Al=c.mat4();class hl{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=ol;if(g){const t=c.transformPoint3(u,A,nl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,Al),f=al,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,ol);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;ll[0]=t,ll[1]=r,ll[2]=s.blendCutoff,ll[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,ll),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const cl=new Float32Array([1,1,1]),ul=c.vec3(),dl=c.vec3(),pl=c.vec3();c.vec3();const fl=c.mat4();class gl{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=ul;if(A){const t=dl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,fl),g=pl,g[0]=r.eye[0]-e[0],g[1]=r.eye[1]-e[1],g[2]=r.eye[2]-e[2]}else f=p,g=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===lr.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,cl);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,ul);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ml=new Float32Array([0,0,0,1]),_l=c.vec3(),vl=c.vec3();c.vec3();const bl=c.mat4();class yl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=_l;if(g){const t=c.transformPoint3(u,A,vl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,bl)}else f=p;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===lr.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===lr.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ml);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,_l);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const xl=c.vec3(),Bl=c.vec3(),wl=c.mat4();class Pl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=xl;if(g){const t=c.transformPoint3(u,A,Bl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,wl)}else f=p;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,xl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Cl=c.vec3(),Ml=c.vec3(),El=c.vec3(),Fl=c.mat4();class Il{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s;let p,f;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Cl;if(g){const t=c.transformPoint3(u,A,Ml);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(o.viewMatrix,e,Fl),f=El,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=o.viewMatrix,f=o.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.project.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Cl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Dl=c.vec3(),Sl=c.vec3(),Tl=c.vec3();c.vec3();const Rl=c.mat4();class Ll{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=e.pickViewMatrix||o.viewMatrix;let f,g;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Dl;if(A){const e=Sl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],f=z(p,t,Rl),g=Tl,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=p,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),r.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Dl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ul=c.vec3(),Ol=c.vec3(),kl=c.vec3(),Nl=c.vec3();c.vec3();const Ql=c.mat4();class Vl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=Ul;let m,_;g[0]=c.safeInv(p[3]-p[0])*c.MAX_INT,g[1]=c.safeInv(p[4]-p[1])*c.MAX_INT,g[2]=c.safeInv(p[5]-p[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(g[0]),e.snapPickCoordinateScale[1]=c.safeInv(g[1]),e.snapPickCoordinateScale[2]=c.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=Ol;if(v){const e=c.transformPoint3(u,A,kl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=z(f,t,Ql),_=Nl,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Ul);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Hl=c.vec3(),jl=c.vec3(),Gl=c.vec3(),zl=c.vec3();c.vec3();const Wl=c.mat4();class Kl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=Hl;let m,_;g[0]=c.safeInv(p[3]-p[0])*c.MAX_INT,g[1]=c.safeInv(p[4]-p[1])*c.MAX_INT,g[2]=c.safeInv(p[5]-p[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(g[0]),e.snapPickCoordinateScale[1]=c.safeInv(g[1]),e.snapPickCoordinateScale[2]=c.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=jl;if(v){const e=Gl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=z(f,t,Wl),_=zl,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Hl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Xl=c.vec3(),Jl=c.vec3(),Yl=c.vec3();c.vec3();const Zl=c.mat4();class ql{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=s,p=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Xl;if(A){const t=Jl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=z(p,e,Zl),g=Yl,g[0]=o.eye[0]-e[0],g[1]=o.eye[1]-e[1],g[2]=o.eye[2]-e[2]}else f=p,g=o.eye;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=X(i.dist,i.dir,A,Xl);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const $l=c.vec3(),eA=c.vec3(),tA=c.vec3();c.vec3();const iA=c.mat4();class sA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=$l;if(g){const t=c.transformPoint3(u,A,eA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,iA),f=tA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,$l);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const rA=c.vec3(),oA=c.vec3(),nA=c.vec3();c.vec3();const aA=c.mat4();class lA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const g=0!==l[0]||0!==l[1]||0!==l[2],m=0!==A[0]||0!==A[1]||0!==A[2];if(g||m){const e=rA;if(g){const t=oA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],p=z(d,e,aA),f=nA,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(l){const e=X(i.dist,i.dir,l,rA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(De.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&De.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const AA=c.vec3(),hA=c.vec3(),cA=c.vec3();c.vec3(),c.vec4();const uA=c.mat4();class dA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u,rotationMatrixConjugate:d}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=AA;if(g){const t=c.transformPoint3(u,A,hA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=z(r.viewMatrix,e,uA),f=cA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=X(i.dist,i.dir,A,AA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Qe(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class pA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new gl(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Il(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ll(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new dA(this._scene)),this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Kl(this._scene)),this._snapRenderer||(this._snapRenderer=new Vl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new hl(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new hl(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new gl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new sA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new lA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yl(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Pl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Il(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new dA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new dA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ll(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Kl(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ql(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const fA={};class gA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class mA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const _A={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(_A,null,4));let e=0;Object.keys(_A).forEach((t=>{t.startsWith("size")&&(e+=_A[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/_A.totalPolygons).toFixed(2)}`);let t={};Object.keys(_A).forEach((i=>{i.startsWith("size")&&(t[i]=`${(_A[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class vA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);_A.sizeDataColorsAndFlags+=h.byteLength,_A.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);_A.sizeDataTextureOffsets+=r.byteLength,_A.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);_A.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);_A.sizeDataPositionDecodeMatrices+=o.byteLength,_A.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);_A.sizeDataTextureIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);_A.sizeDataTextureEdgeIndices+=o.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);_A.sizeDataTexturePositions+=n.byteLength,_A.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),_A.sizeDataTexturePortionIds+=o.byteLength,_A.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Xa(e,n,s,r)}}const bA=new Jr,yA=bA.maxDataTextureHeight,xA=c.vec4(),BA=new Float32Array(16),wA=new Uint8Array(4),PA=new Float32Array(3);let CA=0;const MA=c.identityMat4();class EA{constructor(e,t){_A.numberOfLayers++,this._layerNumber=CA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=fA[t];return i||(i=new pA(e),fA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete fA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new gA,this._dtxState=new mA,this._dtxTextureFactory=new vA,this._state=new at({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&_A.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*yA||t+r>4096*yA)&&_A.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*yA&&t+r<=4096*yA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;_A.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;_A.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,_A.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||MA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,_A.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,_A.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,_A.totalPolygons32Bits+=t.numTriangles),_A.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,_A.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,_A.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,_A.totalEdges32Bits+=t.numEdges),_A.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,_A.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&J&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&te&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&ee&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ie&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&q&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&se&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Z&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Y&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&J?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&se?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&q?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&Y?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&Z?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;if(wA[0]=t[0],wA[1]=t[1],wA[2]=t[2],wA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(wA,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,wA)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&J),o=!!(t&ee),n=!!(t&te),a=!!(t&ie),l=!!(t&se),A=!!(t&Z),h=!!(t&Y);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?lr.NOT_RENDERED:i?lr.COLOR_TRANSPARENT:lr.COLOR_OPAQUE,u=!r||h?lr.NOT_RENDERED:a?lr.SILHOUETTE_SELECTED:n?lr.SILHOUETTE_HIGHLIGHTED:o?lr.SILHOUETTE_XRAYED:lr.NOT_RENDERED;let d=0;d=!r||h?lr.NOT_RENDERED:a?lr.EDGES_SELECTED:n?lr.EDGES_HIGHLIGHTED:o?lr.EDGES_XRAYED:l?i?lr.EDGES_COLOR_TRANSPARENT:lr.EDGES_COLOR_OPAQUE:lr.NOT_RENDERED;let p=r&&!h&&A?lr.PICK:lr.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;wA[0]=c,wA[1]=u,wA[2]=d,wA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(wA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,wA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&q?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;wA[0]=s,wA[1]=0,wA[2]=1,wA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(wA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,wA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],i.texturePerObjectOffsets._textureData.set(PA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,PA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;BA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(BA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,BA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=xA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.transformPoint4(this.model.worldMatrix,d),c.transformPoint4(this.model.worldMatrix,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,lr.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,lr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,lr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,lr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,lr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,lr.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,lr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,lr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,lr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,lr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,lr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class FA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class IA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const DA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class SA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const TA=new SA;class RA{constructor(e){this.manager=void 0!==e?e:TA,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const LA={};class UA extends RA{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=DA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==LA[e])return void LA[e].push({onLoad:t,onProgress:i,onError:s});LA[e]=[],LA[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=LA[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{DA.add(e,t);const i=LA[e];delete LA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=LA[e];if(void 0===i)throw this.manager.itemError(e),t;delete LA[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class OA{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let kA=0;class NA{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new OA,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new UA;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new UA;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=NA.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(NA.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(NA.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(NA.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),kA>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),kA++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),kA--}}NA.BasisFormat={ETC1S:0,UASTC_4x4:1},NA.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},NA.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},NA.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const QA={};function VA(e){const t=e.scene.id;let i=QA[t];return i||(i=new NA({viewer:e}),QA[t]=i,e.scene.on("destroyed",(()=>{delete QA[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let WA=null;function KA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=WA[i],o=WA[i+1],n=WA[i+2]),c=Math.min(a=WA[s],l=WA[s+1],A=WA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let XA=null;function JA(e,t){let i=XA[2*e]-XA[2*t];return 0!==i?i:XA[2*e+1]-XA[2*t+1]}function YA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;WA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)WA[i]=e[i]>>t;i.sort(KA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}XA=new Int32Array(e),t.sort(JA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const ZA=c.vec4(4),qA=c.vec4(),$A=c.vec4(),eh=c.vec3([1,0,0]),th=c.vec3([0,1,0]),ih=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const sh=c.identityMat4();class rh{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||sh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ZA[0]=e[0],ZA[1]=e[1],ZA[2]=e[2],ZA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ZA,qA),c.mulQuaternions(this.quaternion,qA,$A),this.quaternion=$A,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return ZA[0]=e[0],ZA[1]=e[1],ZA[2]=e[2],ZA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ZA,qA),c.mulQuaternions(qA,this.quaternion,qA),this}rotateX(e){return this.rotate(eh,e)}rotateY(e){return this.rotate(th,e)}rotateZ(e){return this.rotate(ih,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const oh=c.vec3(),nh=c.OBB3(),ah=c.vec4(),lh=c.vec3([1,1,1]),Ah=c.vec3([0,0,0]);c.vec3([0,0,0]);const hh=c.identityQuaternion(),ch=c.identityMat4(),uh=new Uint8Array([255,255,255]);class dh extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(ar++,nr),this._textureTranscoder=t.textureTranscoder||VA(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Hi,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new IA({id:"defaultColorTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new IA({id:"defaultMetalRoughTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new IA({id:"defaultNormalsTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new IA({id:"defaultEmissiveTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new IA({id:"defaultOcclusionTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new FA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||ch),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:to(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=to(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=eo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,5):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Qt.getUVBounds(e.uv),i=Qt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Ps({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new IA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new FA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new rh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||lh,i=e.position||Ah;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",ah),e.meshMatrix=c.composeMat4(i,ah,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||hh,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=to(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];K(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=eo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,nh),c.transformOBB3(e.meshMatrix,nh),c.OBB3ToAABB3(nh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,2):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=ph(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];K(e.positions,t,oh)&&(e.positions=t,e.origin=c.addVec3(e.origin,oh,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,nh),c.transformOBB3(e.meshMatrix,nh),c.OBB3ToAABB3(nh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,2):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||lh,i=e.position||Ah;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",ah),e.meshMatrix=c.composeMat4(i,ah,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||hh,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,nh),c.transformOBB3(e.meshMatrix,nh),e.aabb=c.OBB3ToAABB3(nh,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=ph(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new or(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new EA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new rl(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new fo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new Cn({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new pa({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new an({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new an({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Wn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Na({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=J),this._pickable&&!1!==e.pickable&&(t|=Z),this._culled&&!1!==e.culled&&(t|=Y),this._clippable&&!1!==e.clippable&&(t|=q),this._collidable&&!1!==e.collidable&&(t|=$),this._edges&&!1!==e.edges&&(t|=se),this._xrayed&&!1!==e.xrayed&&(t|=ee),this._highlighted&&!1!==e.highlighted&&(t|=te),this._selected&&!1!==e.selected&&(t|=ie),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ne(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==ar&&(ar--,0===ar&&nr._clear()),super.destroy()}}function ph(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=zA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=YA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class fh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new dh(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const gh=c.vec3(),mh=c.vec3(),_h=c.vec3(),vh=c.vec3();function bh(e){return{x:e[0],y:e[1],z:e[2]}}function yh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function xh(e){return new Float64Array([e[0],-e[2],e[1]])}function Bh(e){return new Float64Array([e[0],e[2],-e[1]])}const wh=c.vec3(),Ph=c.vec3(),Ch=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class Mh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new ue(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new ue(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new fe(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new fe(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new fe(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new fe(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new ge(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new ge(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new ge(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new ge(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this.useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{const e=c.subVec3(this._targetWorld,this._originWorld,Ph);this._factors=c.transformVec3(this._axesBasis,e),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],u=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[u]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[u+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),u+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(c.lenVec3(c.subVec3(this._targetWorld,this._originWorld,wh))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(Ch(r[0],r[1],r[2],r[3])),i=Math.abs(Ch(r[2],r[3],r[4],r[5])),s=Math.abs(Ch(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(c.lenVec3(c.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],wh))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class Eh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Fh extends Eh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),u=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&u(e.offsetParent)),d=c.vec2(),p=e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,d),this._markerDiv.style.left=d[0]-5+"px",this._markerDiv.style.top=d[1]-5+"px"):(this._markerDiv.style.left=u(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const f=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Ih extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=pe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Dh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Sh{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Th(e,i);return s?t?Rh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Th(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=Rh(r,[t]),i&&(r=Rh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Th(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function Rh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Lh extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class Uh extends Lh{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const Oh=c.vec3();const kh=c.vec3(),Nh=c.vec3(),Qh=c.vec3(),Vh=c.vec3(),Hh=c.vec3();class jh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,kh),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,Hh):c.subVec3(t.eye,t.look,Hh),c.normalizeVec3(Hh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,kh)),c.mulVec3Scalar(Hh,s),t.eye=c.addVec3(o,Hh,kh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?jh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,Hh),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Qh),s.look=c.subVec3(Qh,Hh,Nh)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Nh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Vh)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Qh),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Nh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Vh)),this._projection2){const t="ortho"===this._projection2?jh._easeOutExpo(e,0,1,1):jh._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Gh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new jh(this),this._t=0,this.state=Gh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Gh.SCRUBBING:return;case Gh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Gh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Gh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Gh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Gh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Gh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Gh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Gh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Gh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Gh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Gh.STOPPED=0,Gh.SCRUBBING=1,Gh.PLAYING=2,Gh.PLAYING_TO=3;const zh=c.vec3(),Wh=c.vec3();c.vec3();const Kh=c.vec3([0,-1,0]),Xh=c.vec4([0,0,0,1]);function Jh(e){if(!Yh(e.width)||!Yh(e.height)){const t=document.createElement("canvas");t.width=Zh(e.width),t.height=Zh(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Yh(e){return 0==(e&e-1)}function Zh(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class qh extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new at({texture:new Ps({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Jh(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Ps({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class $h{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const ec=c.vec3();const tc=c.vec3();class ic{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(tc[0]=this.objectsColorize[3*c+0],tc[1]=this.objectsColorize[3*c+1],tc[2]=this.objectsColorize[3*c+2],t.colorize=tc):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class sc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new $i(this,{geometry:new jt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Xt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Ds(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const rc=c.vec4(),oc=c.vec4(),nc=c.vec3(),ac=c.vec3(),lc=c.vec3(),Ac=c.vec4(),hc=c.vec4(),cc=c.vec4();class uc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,nc);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,Ac),o=c.subVec3(s,r.eye,cc),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,nc),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,ac)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,Ac);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,hc),o=c.subVec3(s,e,cc),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,nc)),-i,ac),a=c.addVec3(o,n,lc);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,rc,oc,t),t}destroy(){}}const dc=c.vec3(),pc=c.vec3(),fc=c.vec3(),gc=c.vec4(),mc=c.vec4(),_c=c.vec4();class vc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),W(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Rs(this._scene,is({radius:s})),this._pivotSphere=new $i(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(W(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Xt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,dc)),i=c.cross3Vec3(t,e.worldUp,pc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=gc;t.project.unproject(e,a,mc,_c,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,dc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,pc),fc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class bc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new Te;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const yc=c.vec2();class xc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,u=0,d=0,p=!1;const f=c.vec3();let g=!0;const m=this._scene.canvas.canvas,_=[];function v(e=!0){m.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,f.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),m.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,u=o[2],d=o[3],g=s.pointerCanvasPos[0],m=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:g-A,y=document.pointerLockElement?t.movementY:m-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?c.lenVec3(c.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/d,r.panDeltaY+=1.5*y*i/d}else r.panDeltaX+=.5*t.ortho.scale*(b/d),r.panDeltaY+=.5*t.ortho.scale*(y/d)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/u*i.dragRotationRate/2,r.rotateDeltaX+=y/d*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=y/d*(1.5*i.dragRotationRate)));A=g,h=m}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,yc);const i=yc[0],s=yc[1];Math.abs(i-u)<3&&Math.abs(s-d)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:yc,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let y=null;m.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel))return;const t=performance.now()/1e3;var o=null!==y?t-y:0;y=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Bc=c.vec3(),wc=c.vec3(),Pc=c.vec3(),Cc=c.vec3(),Mc=c.vec3(),Ec={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Fc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,Bc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Ec.orthoScale=g,n?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldRight,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):a?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldForward,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):l?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldRight,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):A?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldForward,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):h?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldUp,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Pc),Cc))):u&&(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldUp,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Pc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Bc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Ec,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Ec),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Ic{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Dc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Sc=c.vec3();class Tc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(h=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(c.lenVec3(c.subVec3(u,e.camera.eye,Sc)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,u=null;const d=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==d){if(t=d<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Rc{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Lc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Lc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Lc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Uc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Oc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Uc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)Uc(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Uc(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Uc(t,l),Uc(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Uc(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const kc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Nc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,kc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)kc(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(kc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(kc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Qc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new bc(this,this._configs),pivotController:new vc(i,this._configs),panController:new uc(i),cameraFlight:new jh(this,{duration:.5})},this._handlers=[new Rc(this.scene,this._controllers,this._configs,this._states,this._updates),new Oc(this.scene,this._controllers,this._configs,this._states,this._updates),new xc(this.scene,this._controllers,this._configs,this._states,this._updates),new Fc(this.scene,this._controllers,this._configs,this._states,this._updates),new Ic(this.scene,this._controllers,this._configs,this._states,this._updates),new Nc(this.scene,this._controllers,this._configs,this._states,this._updates),new Dc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Tc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Vc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Hc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Vc(i.name,i.value,i.type,i.valueType,i.description))}}}}class jc{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Gc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new Hc({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new jc({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class zc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Gc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Wc(t):null,n=i&&i.length>0?Wc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Wc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let WA=null;function KA(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=WA[i],o=WA[i+1],n=WA[i+2]),c=Math.min(a=WA[s],l=WA[s+1],A=WA[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let XA=null;function JA(e,t){let i=XA[2*e]-XA[2*t];return 0!==i?i:XA[2*e+1]-XA[2*t+1]}function YA(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;WA=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)WA[i]=e[i]>>t;i.sort(KA);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}XA=new Int32Array(e),t.sort(JA);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const ZA=c.vec4(4),qA=c.vec4(),$A=c.vec4(),eh=c.vec3([1,0,0]),th=c.vec3([0,1,0]),ih=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const sh=c.identityMat4();class rh{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||sh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return ZA[0]=e[0],ZA[1]=e[1],ZA[2]=e[2],ZA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ZA,qA),c.mulQuaternions(this.quaternion,qA,$A),this.quaternion=$A,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return ZA[0]=e[0],ZA[1]=e[1],ZA[2]=e[2],ZA[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(ZA,qA),c.mulQuaternions(qA,this.quaternion,qA),this}rotateX(e){return this.rotate(eh,e)}rotateY(e){return this.rotate(th,e)}rotateZ(e){return this.rotate(ih,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const oh=c.vec3(),nh=c.OBB3(),ah=c.vec4(),lh=c.vec3([1,1,1]),Ah=c.vec3([0,0,0]);c.vec3([0,0,0]);const hh=c.identityQuaternion(),ch=c.identityMat4(),uh=new Uint8Array([255,255,255]);class dh extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(ar++,nr),this._textureTranscoder=t.textureTranscoder||VA(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Hi,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new IA({id:"defaultColorTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new IA({id:"defaultMetalRoughTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new IA({id:"defaultNormalsTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new IA({id:"defaultEmissiveTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new IA({id:"defaultOcclusionTexture",texture:new Ps({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new FA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||ch),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:to(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=to(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=eo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,5):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Qt.getUVBounds(e.uv),i=Qt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Ps({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new IA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new FA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new rh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||lh,i=e.position||Ah;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",ah),e.meshMatrix=c.composeMat4(i,ah,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||hh,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=to(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];K(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=eo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,nh),c.transformOBB3(e.meshMatrix,nh),c.OBB3ToAABB3(nh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,2):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=ph(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];K(e.positions,t,oh)&&(e.positions=t,e.origin=c.addVec3(e.origin,oh,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),Qt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,nh),c.transformOBB3(e.meshMatrix,nh),c.OBB3ToAABB3(nh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Tt(e.positions,e.indices,null,2):e.edgeIndices=Tt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||lh,i=e.position||Ah;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",ah),e.meshMatrix=c.composeMat4(i,ah,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||hh,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,nh),c.transformOBB3(e.meshMatrix,nh),e.aabb=c.OBB3ToAABB3(nh,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=ph(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):uh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new or(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new EA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new rl(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new fo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new Cn({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new pa({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new an({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new an({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Wn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new Na({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=J),this._pickable&&!1!==e.pickable&&(t|=Z),this._culled&&!1!==e.culled&&(t|=Y),this._clippable&&!1!==e.clippable&&(t|=q),this._collidable&&!1!==e.collidable&&(t|=$),this._edges&&!1!==e.edges&&(t|=se),this._xrayed&&!1!==e.xrayed&&(t|=ee),this._highlighted&&!1!==e.highlighted&&(t|=te),this._selected&&!1!==e.selected&&(t|=ie),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ne(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==ar&&(ar--,0===ar&&nr._clear()),super.destroy()}}function ph(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=zA({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=YA({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class fh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new dh(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const gh=c.vec3(),mh=c.vec3(),_h=c.vec3(),vh=c.vec3();function bh(e){return{x:e[0],y:e[1],z:e[2]}}function yh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function xh(e){return new Float64Array([e[0],-e[2],e[1]])}function Bh(e){return new Float64Array([e[0],e[2],-e[1]])}const wh=c.vec3(),Ph=c.vec3(),Ch=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class Mh extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=c.vec3(),this._targetWorld=c.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new ue(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new ue(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new fe(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new fe(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new fe(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new fe(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new ge(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new ge(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new ge(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new ge(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this.useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{const e=c.subVec3(this._targetWorld,this._originWorld,Ph);this._factors=c.transformVec3(this._axesBasis,e),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(c.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){c.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],u=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var d=0,p=s.length;d<p;d+=4)r[u]=a+Math.floor((1+s[d+0]/s[d+3])*A/2),r[u+1]=n+Math.floor((1-s[d+1]/s[d+3])*h/2),u+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(c.lenVec3(c.subVec3(this._targetWorld,this._originWorld,wh))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(Ch(r[0],r[1],r[2],r[3])),i=Math.abs(Ch(r[2],r[3],r[4],r[5])),s=Math.abs(Ch(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(c.lenVec3(c.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],wh))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(c.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class Eh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Fh extends Eh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),u=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&u(e.offsetParent)),d=c.vec2(),p=e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,d),this._markerDiv.style.left=d[0]-5+"px",this._markerDiv.style.top=d[1]-5+"px"):(this._markerDiv.style.left=u(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const f=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Ih extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=pe({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Dh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Sh{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Th(e,i);return s?t?Rh(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Th(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=Rh(r,[t]),i&&(r=Rh(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Th(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function Rh(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Lh extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class Uh extends Lh{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const Oh=c.vec3();const kh=c.vec3(),Nh=c.vec3(),Qh=c.vec3(),Vh=c.vec3(),Hh=c.vec3();class jh extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,kh),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,Hh):c.subVec3(t.eye,t.look,Hh),c.normalizeVec3(Hh);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,kh)),c.mulVec3Scalar(Hh,s),t.eye=c.addVec3(o,Hh,kh),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?jh._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,Hh),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Qh),s.look=c.subVec3(Qh,Hh,Nh)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Nh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Vh)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,Qh),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,Nh),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,Vh)),this._projection2){const t="ortho"===this._projection2?jh._easeOutExpo(e,0,1,1):jh._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Gh extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new jh(this),this._t=0,this.state=Gh.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Gh.SCRUBBING:return;case Gh.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Gh.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Gh.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Gh.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Gh.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Gh.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Gh.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Gh.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Gh.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Gh.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Gh.STOPPED=0,Gh.SCRUBBING=1,Gh.PLAYING=2,Gh.PLAYING_TO=3;const zh=c.vec3(),Wh=c.vec3();c.vec3();const Kh=c.vec3([0,-1,0]),Xh=c.vec4([0,0,0,1]);function Jh(e){if(!Yh(e.width)||!Yh(e.height)){const t=document.createElement("canvas");t.width=Zh(e.width),t.height=Zh(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Yh(e){return 0==(e&e-1)}function Zh(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class qh extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new at({texture:new Ps({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Jh(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Ps({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class $h{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const ec=c.vec3();const tc=c.vec3();class ic{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(tc[0]=this.objectsColorize[3*c+0],tc[1]=this.objectsColorize[3*c+1],tc[2]=this.objectsColorize[3*c+2],t.colorize=tc):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class sc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new $i(this,{geometry:new jt(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Xt(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Ds(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const rc=c.vec4(),oc=c.vec4(),nc=c.vec3(),ac=c.vec3(),lc=c.vec3(),Ac=c.vec4(),hc=c.vec4(),cc=c.vec4();class uc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,nc);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,Ac),o=c.subVec3(s,r.eye,cc),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,nc),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,ac)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,Ac);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,hc),o=c.subVec3(s,e,cc),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,nc)),-i,ac),a=c.addVec3(o,n,lc);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,rc,oc,t),t}destroy(){}}const dc=c.vec3(),pc=c.vec3(),fc=c.vec3(),gc=c.vec4(),mc=c.vec4(),_c=c.vec4();class vc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),W(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Rs(this._scene,is({radius:s})),this._pivotSphere=new $i(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(W(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Xt(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,dc)),i=c.cross3Vec3(t,e.worldUp,pc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=gc;t.project.unproject(e,a,mc,_c,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,dc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,pc),fc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class bc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new Te;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const yc=c.vec2();class xc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,u=0,d=0,p=!1;const f=c.vec3();let g=!0;const m=this._scene.canvas.canvas,_=[];function v(e=!0){m.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,f.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),m.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,u=o[2],d=o[3],g=s.pointerCanvasPos[0],m=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:g-A,y=document.pointerLockElement?t.movementY:m-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?c.lenVec3(c.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/d,r.panDeltaY+=1.5*y*i/d}else r.panDeltaX+=.5*t.ortho.scale*(b/d),r.panDeltaY+=.5*t.ortho.scale*(y/d)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/u*i.dragRotationRate/2,r.rotateDeltaX+=y/d*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=y/d*(1.5*i.dragRotationRate)));A=g,h=m}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,yc);const i=yc[0],s=yc[1];Math.abs(i-u)<3&&Math.abs(s-d)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:yc,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let y=null;m.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel))return;const t=performance.now()/1e3;var o=null!==y?t-y:0;y=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Bc=c.vec3(),wc=c.vec3(),Pc=c.vec3(),Cc=c.vec3(),Mc=c.vec3(),Ec={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Fc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,Bc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Ec.orthoScale=g,n?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldRight,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):a?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldForward,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):l?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldRight,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):A?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldForward,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(o.worldUp)):h?(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldUp,f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Pc),Cc))):u&&(Ec.eye.set(c.addVec3(Bc,c.mulVec3Scalar(o.worldUp,-f,wc),Mc)),Ec.look.set(Bc),Ec.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Pc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Bc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Ec,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Ec),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Ic{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Dc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Sc=c.vec3();class Tc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(h=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(c.lenVec3(c.subVec3(u,e.camera.eye,Sc)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,u=null;const d=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==d){if(t=d<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+d,o.zoom(d);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Rc{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Lc(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Lc(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Lc(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Uc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Oc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Uc(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)Uc(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Uc(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Uc(t,l),Uc(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Uc(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const kc=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Nc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,kc(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)kc(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(kc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(kc(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Qc extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new bc(this,this._configs),pivotController:new vc(i,this._configs),panController:new uc(i),cameraFlight:new jh(this,{duration:.5})},this._handlers=[new Rc(this.scene,this._controllers,this._configs,this._states,this._updates),new Oc(this.scene,this._controllers,this._configs,this._states,this._updates),new xc(this.scene,this._controllers,this._configs,this._states,this._updates),new Fc(this.scene,this._controllers,this._configs,this._states,this._updates),new Ic(this.scene,this._controllers,this._configs,this._states,this._updates),new Nc(this.scene,this._controllers,this._configs,this._states,this._updates),new Dc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Tc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Vc{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Hc{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Vc(i.name,i.value,i.type,i.valueType,i.description))}}}}class jc{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Gc{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new Hc({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new jc({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class zc{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Gc({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Wc(t):null,n=i&&i.length>0?Wc(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Wc(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-sdk.min.es.js b/dist/xeokit-sdk.min.es.js
index 42ac1de002..9305d5df96 100644
--- a/dist/xeokit-sdk.min.es.js
+++ b/dist/xeokit-sdk.min.es.js
@@ -1,4 +1,4 @@
-class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?i.push('<li id="'+s.id+'" class="xeokit-context-menu-item" style="'+(r===o-1||e<t-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+l+" [MORE]</li>"):i.push('<li id="'+s.id+'" class="xeokit-context-menu-item" style="'+(r===o-1||e<t-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+l+"</li>")}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();a.right+200>window.innerWidth?o._showMenu(i.id,a.left-200,a.top-1):o._showMenu(i.id,a.right-5,a.top-1),n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.visibility="hidden",i.style.height="0",i.style.padding="0";continue}i.style.visibility="visible",i.style.height="auto",i.style.padding=null;const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new l(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-c,g=n-u,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||d.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new l(16),t=new l(16),i=new l(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||d.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||d.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=d.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=d.vec4()){const s=e[0]*d.DEGTORAD/2,r=e[1]*d.DEGTORAD/2,o=e[2]*d.DEGTORAD/2,n=Math.cos(s),a=Math.cos(r),l=Math.cos(o),A=Math.sin(s),h=Math.sin(r),c=Math.sin(o);return"XYZ"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l-A*h*c):"YXZ"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l+A*h*c):"ZXY"===t?(i[0]=A*a*l-n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l-A*h*c):"ZYX"===t?(i[0]=A*a*l-n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l+A*h*c):"YZX"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l-A*h*c):"XZY"===t&&(i[0]=A*a*l-n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l+A*h*c),i},mat4ToQuaternion(e,t=d.vec4()){const i=e[0],s=e[4],r=e[8],o=e[1],n=e[5],a=e[9],l=e[2],A=e[6],h=e[10];let c;const u=i+n+h;return u>0?(c=.5/Math.sqrt(u+1),t[3]=.25/c,t[0]=(A-a)*c,t[1]=(r-l)*c,t[2]=(o-s)*c):i>n&&i>h?(c=2*Math.sqrt(1+i-n-h),t[3]=(A-a)/c,t[0]=.25*c,t[1]=(s+o)/c,t[2]=(r+l)/c):n>h?(c=2*Math.sqrt(1+n-i-h),t[3]=(r-l)/c,t[0]=(s+o)/c,t[1]=.25*c,t[2]=(a+A)/c):(c=2*Math.sqrt(1+h-i-n),t[3]=(o-s)/c,t[0]=(r+l)/c,t[1]=(a+A)/c,t[2]=.25*c),t},vec3PairToQuaternion(e,t,i=d.vec4()){const s=Math.sqrt(d.dotVec3(e,e)*d.dotVec3(t,t));let r=s+d.dotVec3(e,t);return r<1e-8*s?(r=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):d.cross3Vec3(e,t,i),i[3]=r,d.normalizeQuaternion(i)},angleAxisToQuaternion(e,t=d.vec4()){const i=e[3]/2,s=Math.sin(i);return t[0]=s*e[0],t[1]=s*e[1],t[2]=s*e[2],t[3]=Math.cos(i),t},quaternionToEuler:(()=>{const e=new l(16);return(t,i,s)=>(s=s||d.vec3(),d.quaternionToRotationMat4(t,e),d.mat4ToEuler(e,i,s),s)})(),mulQuaternions(e,t,i=d.vec4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=t[0],l=t[1],A=t[2],h=t[3];return 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config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=d.vec2(),this._canvasMarqueeCorner2=d.vec2(),this._canvasMarquee=d.AABB2(),this._marqueeFrustum=new N,this._marqueeFrustumProjMat=d.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const W={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class K{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const X=d.vec3(),J=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function Y(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function Z(e,t,i,s=1e3){const r=d.getPositionsCenter(e,X),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function q(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function $(e,t,i,s){const r=d.dotVec3(t,i)+e,o=d.normalizeVec3(t,X);return d.mulVec3Scalar(o,-r,s),s}const ee=1,te=4,ie=8,se=16,re=32,oe=256,ne=512,ae=1024,le=2048,Ae=new Float32Array([0,0,0]),he=new Uint16Array([0,0,0]);d.OBB3();class ce{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(ee)}set visible(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ne)}set highlighted(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(oe)}set xrayed(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ae)}set selected(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(le)}set edges(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(se)}set clippable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(re)}set collidable(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(ie)}set pickable(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return Ae[0]=e[0]/255,Ae[1]=e[1]/255,Ae[2]=e[2]/255,Ae}set colorize(e){if(e){he[0]=Math.floor(255*e[0]),he[1]=Math.floor(255*e[1]),he[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(he)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ue=d.vec4(),de=d.vec4();class pe extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ue.set(this._viewPos),ue[3]=1,d.transformPoint4(this.scene.camera.projMatrix,ue,de);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+de[0]/de[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-de[1]/de[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ce?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Y(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const fe=()=>{};function ge(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class me extends pe{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new K(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ge(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function _e(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",fe),l=i("onMove",fe),A=i("onEnd",fe),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);ge(c.ownerDocument.body,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function ve(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",fe),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return _e(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}class be{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class ye{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var xe=d.vec3(),Be=d.vec3();class we extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._cornerWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new me(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new me(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new me(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new be(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new be(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new ye(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const u=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>u||f>u||g>u)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,c=t.length;h<c;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),d.subVec3(this._originWorld,this._cornerWorld,xe),d.subVec3(this._targetWorld,this._cornerWorld,Be),!(0===xe[0]&&0===xe[1]&&0===xe[2]||0===Be[0]&&0===Be[1]&&0===Be[2])){const e=this._approximate?" ~ ":" = ";d.normalizeVec3(xe),d.normalizeVec3(Be);const t=Math.abs(d.angleVec3(xe,Be));this._angle=t/d.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class Pe extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ce extends Pe{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){if(this.markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this.markerDiv=null}}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==t.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==t.parentNode&&c(e.offsetParent)),u=d.vec2(),p=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:this._canvasToPagePos?(this._canvasToPagePos(t,i,u),this.markerDiv.style.left=u[0]-5+"px",this.markerDiv.style.top=u[1]-5+"px"):(this.markerDiv.style.left=c(t)+i[0]-5+"px",this.markerDiv.style.top=h(t)+i[1]-5+"px");break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const f=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Me extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Ce(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new we(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Ee extends Pe{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Fe extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=ve({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Ie extends Fe{constructor(e,t){super(e,t,!0,!1)}}class De extends Fe{constructor(e,t){super(e,t,!1,!0)}}const Se=d.vec3(),Te=d.vec3(),Re=d.vec3();class Le extends pe{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,Se),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,Te),r=d.addVec3(e.worldPos,s,Re);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Ue extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new Le(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class Oe extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const ke=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Ne extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Oe(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<ke.length;e++)try{this.gl=this.canvas.getContext(ke[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Qe{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),J(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;J(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Ve={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},He=document.createElement("canvas");if(He){const e=He.getContext("webgl",{antialias:!0})||He.getContext("experimental-webgl",{antialias:!0});Ve.WEBGL=!!e,Ve.WEBGL&&(Ve.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Ve.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Ve.FS_MAX_FLOAT_PRECISION="mediump":Ve.FS_MAX_FLOAT_PRECISION="lowp":Ve.FS_MAX_FLOAT_PRECISION="mediump",Ve.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Ve.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Ve.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Ve.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Ve.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Ve.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Ve.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Ve.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Ve.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Ve.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Ve.SUPPORTED_EXTENSIONS[e]=!0})))}class je{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Ge{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class ze{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class We{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Ke=new e({});function Xe(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Je(e){console.error(e.join("\n"))}class Ye{constructor(e,t){this.id=Ke.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ge(e,e.VERTEX_SHADER,Xe(this.source.vertex)),this._fragmentShader=new Ge(e,e.FRAGMENT_SHADER,Xe(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Je(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Je(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Je(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Je(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Je(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new ze(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new We(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Ke.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class Ze{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class qe{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const $e=d.vec3([1,0,0]),et=d.vec3();class tt{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new qe(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new qe(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new Ye(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,J(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,$(i.dist,i.dir,o,et)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*$e[0],i=255*$e[1],s=255*$e[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const it=d.vec2();class st{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;it[0]=o,it[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,it),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new Ye(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ze(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new Ze(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new Ze(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const rt=new Float32Array(ht(17,[0,1])),ot=new Float32Array(ht(17,[1,0])),nt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(At(s,t));return i}(17,4)),at=new Float32Array(2);class lt{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new Ye(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ze(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Ze(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),at[0]=n,at[1]=a,s.uniform2fv(this._uViewport,at),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,ot):s.uniform2fv(this._uSampleOffsets,rt),s.uniform1fv(this._uSampleWeights,nt);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function At(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ht(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class ct{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class ut{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new ct(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function dt(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const pt=function(t,i){i=i||{};const s=new Qe(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new ut(t);let w=!1;const P=new st(t),C=new lt(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!dt(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!dt(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!dt(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!dt(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!dt(o,"WEBGL_compressed_texture_pvrtc")&&!dt(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){x=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],d=[],p=[],f=[],g=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=u.length;e<t;e++){if(T=u[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(d[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(f[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(p[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(g[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)p[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)d[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)g[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)f[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=m.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=Ve.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=Ve.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new je,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(w,P,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=J(g,w,A);P=d.mulMat4(m,e,h)}else P=d.mulMat4(m,g,h);const C=d.inverseMat4(P,c);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);w&&d.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new je;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new tt(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class ft extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-s}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const gt=new e({});class mt{constructor(e){this.id=gt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){gt.removeItem(this.id)}}class _t extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new mt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class vt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class bt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class yt extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class xt extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Bt=d.vec3(),wt=d.vec3(),Pt=d.vec3(),Ct=d.vec3(),Mt=d.vec3(),Et=d.vec3(),Ft=d.vec4(),It=d.vec4(),Dt=d.vec4(),St=d.mat4(),Tt=d.mat4(),Rt=d.vec3(),Lt=d.vec3(),Ut=d.vec3(),Ot=d.vec3();class kt extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new mt({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new vt(this),this._ortho=new bt(this),this._frustum=new yt(this),this._customProjection=new xt(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,Rt),d.normalizeVec3(Rt,Lt),d.mulVec3Scalar(Lt,1e3,Ut),d.addVec3(this._look,Ut,Ot),t=Ot):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,Tt),d.mulMat4(e.deviceMatrix,Tt,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,Bt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,St),t=d.transformPoint3(St,t,wt),this.eye=d.addVec3(this._look,t,Pt),this.up=d.transformPoint3(St,this._up,Ct)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,Bt);const i=d.cross3Vec3(d.normalizeVec3(t,wt),d.normalizeVec3(this._up,Pt));d.rotationMat4v(.0174532925*e,i,St),t=d.transformPoint3(St,t,Ct),this.up=d.transformPoint3(St,this._up,Mt),this.eye=d.addVec3(t,this._look,Et)}yaw(e){let t=d.subVec3(this._look,this._eye,Bt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,St),t=d.transformPoint3(St,t,wt),this.look=d.addVec3(t,this._eye,Pt),this._gimbalLock&&(this.up=d.transformPoint3(St,this._up,Ct))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,Bt);const i=d.cross3Vec3(d.normalizeVec3(t,wt),d.normalizeVec3(this._up,Pt));d.rotationMat4v(.0174532925*e,i,St),this.up=d.transformPoint3(St,this._up,Et),t=d.transformPoint3(St,t,Ct),this.look=d.addVec3(t,this._eye,Mt)}pan(e){const t=d.subVec3(this._eye,this._look,Bt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,wt));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,Pt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Ct),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Mt),this.look=d.addVec3(this._look,i,Et)}zoom(e){const t=d.subVec3(this._eye,this._look,Bt),i=Math.abs(d.lenVec3(t,wt)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,Pt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Ct)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,Bt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Ft,i=It,s=Dt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Nt extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Qt extends Nt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new mt({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new ct(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Vt extends Nt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Ht extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var jt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(d.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Gt=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var zt=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var Wt=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function Kt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Xt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Jt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Yt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Gt,compressPositions:zt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Wt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Kt(e,a,"floor","floor"),s=Xt(i),o=n=Jt(e,a,s),i=Kt(e,a,"ceil","floor"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),i=Kt(e,a,"floor","ceil"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),i=Kt(e,a,"ceil","ceil"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},Zt=m.memory,qt=d.AABB3();class $t extends Ht{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new mt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Yt.getPositionsBounds(t.positions),s=Yt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Yt.getUVBounds(t.uv),s=Yt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Yt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),Zt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Zt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Zt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new Ze(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Zt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Zt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Ze(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Zt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=jt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Zt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new Ze(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),Zt.positions+=this._pickTrianglePositionsBuf.numItems,Zt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Yt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Yt.getPositionsBounds(e),s=Yt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Yt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Yt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,qt,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(qt,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Zt.meshes--}}function ei(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class ti extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const ii={opaque:0,mask:1,blend:2},si=["opaque","mask","blend"];class ri extends ti{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=ii[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return si[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const oi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class ni extends ti{get type(){return"EmphasisMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new mt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class li extends ti{get type(){return"EdgeMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new mt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ai={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class hi extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return Ai}set units(e){e||(e="meters");Ai[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class ci extends R{constructor(e,t={}){super(e,t),this._supported=Ve.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ui extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const di={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class pi extends ti{get type(){return"PointsMaterial"}get presets(){return di}constructor(e,t={}){super(e,t),this._state=new mt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=di[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(di).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const fi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class gi extends ti{get type(){return"LinesMaterial"}get presets(){return fi}constructor(e,t={}){super(e,t),this._state=new mt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=fi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(fi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function mi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class _i extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Ne(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new pt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new ft(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new hi(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new ci(this,{enabled:t.saoEnabled}),this.crossSections=new ui(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new _t(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new kt(this,{id:"default.camera",dontClear:!0}),new Vt(this,{color:[1,1,1],intensity:.7}),new Qt(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Qt(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||ei($t)}get material(){return this.components["default.material"]||new ri(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new ni(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new ni(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new ni(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new li(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new pi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new gi(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=mi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=mi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const vi=1e3,bi=1001,yi=1002,xi=1003,Bi=1004,wi=1004,Pi=1005,Ci=1005,Mi=1006,Ei=1007,Fi=1007,Ii=1008,Di=1008,Si=1009,Ti=1010,Ri=1011,Li=1012,Ui=1013,Oi=1014,ki=1015,Ni=1016,Qi=1017,Vi=1018,Hi=1020,ji=1021,Gi=1022,zi=1023,Wi=1024,Ki=1025,Xi=1026,Ji=1027,Yi=1028,Zi=1029,qi=1030,$i=1031,es=1033,ts=33776,is=33777,ss=33778,rs=33779,os=35840,ns=35841,as=35842,ls=35843,As=36196,hs=37492,cs=37496,us=37808,ds=37809,ps=37810,fs=37811,gs=37812,ms=37813,_s=37814,vs=37815,bs=37816,ys=37817,xs=37818,Bs=37819,ws=37820,Ps=37821,Cs=36492,Ms=3e3,Es=3001,Fs=1e4,Is=10001,Ds=10002,Ss=10003,Ts=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Us(e),u=s.getNumAllocatedSectionPlanes()>0,d=Ls(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=Us(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Ls(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Rs[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Rs[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Rs[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Rs[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Rs[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Rs[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Rs={};function Ls(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function Us(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Rs[3e3]="linearToLinear",Rs[3001]="sRGBToLinear";const Os=d.vec3(),ks=new e({}),Ns=function(e,t){this.id=ks.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ts(t),this._allocate(t)},Qs={};Ns.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Qs[i];if(!s){if(s=new Ns(i,e),s.errors)return console.log(s.errors.join("\n")),null;Qs[i]=s,m.memory.programs++}return s._useCount++,s},Ns.prototype.put=function(){0==--this._useCount&&(ks.removeItem(this.id),this._program&&this._program.destroy(),delete Qs[this._hash],m.memory.programs--)},Ns.prototype.webglContextRestored=function(){this._program=null},Ns.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Ve.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=$(i.dist,i.dir,c,Os);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Ns.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Ns.prototype._bindProgram=function(e){const t=Ve.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class Vs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Hs=new e({}),js=d.vec3(),Gs=function(e,t){this.id=Hs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Vs(t),this._allocate(t)},zs={};Gs.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=zs[t];return i||(i=new Gs(t,e),zs[t]=i,m.memory.programs++),i._useCount++,i},Gs.prototype.put=function(){0==--this._useCount&&(Hs.removeItem(this.id),this._program&&this._program.destroy(),delete zs[this._hash],m.memory.programs--)},Gs.prototype.webglContextRestored=function(){this._program=null},Gs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=$(i.dist,i.dir,A,js);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Gs.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new Ye(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Gs.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class Ws{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Ks=new e({}),Xs=d.vec3(),Js=function(e,t){this.id=Ks.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ws(t),this._allocate(t)},Ys={};Js.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ys[t];return i||(i=new Js(t,e),Ys[t]=i,m.memory.programs++),i._useCount++,i},Js.prototype.put=function(){0==--this._useCount&&(Ks.removeItem(this.id),this._program&&this._program.destroy(),delete Ys[this._hash],m.memory.programs--)},Js.prototype.webglContextRestored=function(){this._program=null},Js.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=$(i.dist,i.dir,h,Xs);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Js.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Js.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Zs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const qs=d.vec3(),$s=function(e,t){this._hash=e,this._shaderSource=new Zs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},er={};$s.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=er[t];if(!i){if(i=new $s(t,e),i.errors)return console.log(i.errors.join("\n")),null;er[t]=i,m.memory.programs++}return i._useCount++,i},$s.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete er[this._hash],m.memory.programs--)},$s.prototype.webglContextRestored=function(){this._program=null},$s.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=$(i.dist,i.dir,a,qs);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},$s.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},$s.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class tr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const ir=d.vec3(),sr=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new tr(t),this._allocate(t)},rr={};sr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=rr[t];if(!i){if(i=new sr(t,e),i.errors)return console.log(i.errors.join("\n")),null;rr[t]=i,m.memory.programs++}return i._useCount++,i},sr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete rr[this._hash],m.memory.programs--)},sr.prototype.webglContextRestored=function(){this._program=null},sr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=$(i.dist,i.dir,l,ir);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},sr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class or{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const nr=d.vec3(),ar=function(e,t){this._hash=e,this._shaderSource=new or(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},lr={};ar.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=lr[t];if(!i){if(i=new ar(t,e),i.errors)return console.log(i.errors.join("\n")),null;lr[t]=i,m.memory.programs++}return i._useCount++,i},ar.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete lr[this._hash],m.memory.programs--)},ar.prototype.webglContextRestored=function(){this._program=null},ar.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=$(i.dist,i.dir,a,nr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},ar.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ar.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Ar{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const hr=function(e,t){this._hash=e,this._shaderSource=new Ar(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},cr={};hr.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=cr[i];if(!s){if(s=new hr(i,e),s.errors)return console.log(s.errors.join("\n")),null;cr[i]=s,m.memory.programs++}return s._useCount++,s},hr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete cr[this._hash],m.memory.programs--)},hr.prototype.webglContextRestored=function(){this._program=null},hr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},hr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},hr.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class ur{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const dr=d.OBB3(),pr=d.vec4(),fr=d.vec4(),gr=d.vec4(),mr=d.vec3([1,0,0]),_r=d.vec3([0,1,0]),vr=d.vec3([0,0,1]),br=d.vec3(3),yr=d.vec3(3),xr=d.identityMat4();class Br extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new ur,this._state=new mt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||xr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ns.get(this),this._emphasisFillRenderer=Gs.get(this),this._emphasisEdgesRenderer=Js.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=$s.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=ar.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,dr),d.OBB3ToAABB3(dr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return pr[0]=e[0],pr[1]=e[1],pr[2]=e[2],pr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(pr,fr),d.mulQuaternions(this.quaternion,fr,gr),this.quaternion=gr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return pr[0]=e[0],pr[1]=e[1],pr[2]=e[2],pr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(pr,fr),d.mulQuaternions(fr,this.quaternion,fr),this}rotateX(e){return this.rotate(mr,e)}rotateY(e){return this.rotate(_r,e)}rotateZ(e){return this.rotate(vr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,br),d.mulVec3Scalar(br,t,yr),d.addVec3(this.position,yr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(mr,e)}translateY(e){return this.translate(_r,e)}translateZ(e){return this.translate(vr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Ns.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Ns.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=ar.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=hr.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=$s.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=sr.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){wr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const wr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),x=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let W,K,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,W=3*O,K=3*k,X=3*N}else W=3*V,K=W+3,X=K+3;if(i[0]=z[W+0],i[1]=z[W+1],i[2]=z[W+2],s[0]=z[K+0],s[1]=z[K+1],s[2]=z[K+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Yt.decompressPosition(i,e,i),Yt.decompressPosition(s,e,s),Yt.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?J(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Yt.decompressNormal(Y.subarray(e,e+2),h),Yt.decompressNormal(Y.subarray(t,t+2),c),Yt.decompressNormal(Y.subarray(i,i+2),u)}else h[0]=Y[W],h[1]=Y[W+1],h[2]=Y[W+2],c[0]=Y[K],c[1]=Y[K+1],c[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),x),d.mulVec3Scalar(u,A[2],B),w);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Yt.decompressUV(p,e,p),Yt.decompressUV(f,e,f),Yt.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function Pr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],_=[],v=[];let b,x,B,w,P,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(b=0;b<=o;b++)for(P=t-b*f,C=c-b*u,x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),m.push(P*B),m.push(S),m.push(P*w),_.push(x*p),_.push(1*b/o),g.push(P*B+l),g.push(C+A),g.push(P*w+h);for(b=0;b<o;b++)for(x=0;x<=r;x++)M=b*(r+1)+x,E=M+r,v.push(M),v.push(E),v.push(E+1),v.push(M),v.push(E+1),v.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(t*B),m.push(1),m.push(t*w),_.push(I),_.push(D),g.push(t*B+l),g.push(c+A),g.push(t*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(M),v.push(M+1),v.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),x=0;x<=r;x++)B=Math.sin(x*d),w=Math.cos(x*d),I=.5*Math.sin(x*d)+.5,D=.5*Math.cos(x*d)+.5,m.push(i*B),m.push(-1),m.push(i*w),_.push(I),_.push(D),g.push(i*B+l),g.push(0-c+A),g.push(i*w+h);for(x=0;x<r;x++)a=F,M=F+1+x,v.push(a),v.push(M+1),v.push(M)}return y.apply(e,{positions:g,normals:m,uv:_,indices:v})}function Cr(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,_,v,b,x,B,w,P,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,_=Math.sin(m),v=Math.cos(m),b=v*f,x=g,B=_*f,w=1-d/a,P=u/n,A.push(b),A.push(x),A.push(B),h.push(w),h.push(P),l.push(i+o*b),l.push(s+o*x),l.push(r+o*B);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return y.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Mr={" 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[8,1],[7,0],[6,-2],[6,-4],[7,-6],[-1,-1],[6,8],[8,6],[8,4],[7,2],[6,1],[5,-1],[5,-3],[6,-5],[7,-6],[9,-7]]},"|":{width:8,points:[[4,25],[4,-7]]},"}":{width:14,points:[[5,25],[7,24],[8,23],[9,21],[9,19],[8,17],[7,16],[6,14],[6,12],[8,10],[-1,-1],[7,24],[8,22],[8,20],[7,18],[6,17],[5,15],[5,13],[6,11],[10,9],[6,7],[5,5],[5,3],[6,1],[7,0],[8,-2],[8,-4],[7,-6],[-1,-1],[8,8],[6,6],[6,4],[7,2],[8,1],[9,-1],[9,-3],[8,-5],[7,-6],[5,-7]]},"~":{width:24,points:[[3,6],[3,8],[4,11],[6,12],[8,12],[10,11],[14,8],[16,7],[18,7],[20,8],[21,10],[-1,-1],[3,8],[4,10],[6,11],[8,11],[10,10],[14,7],[16,6],[18,6],[20,7],[21,10],[21,12]]}};function Er(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,x=.04,B=0;B<_.length;B++){A=0,c=(h=_[B]).length;for(var w=0;w<c;w++)if(u=Mr[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(b+m[1]*o*x+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}b-=35*x*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Fr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new _i(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new Vt(s,{color:[.45,.45,.5],intensity:.9}),new Qt(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Qt(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new $t(s,Pr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new $t(s,Pr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new ri(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new ri(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new ri(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new ri(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new ri(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new ri(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new ri(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new Br(s,{geometry:new $t(s,Cr({radius:9,heightSegments:60,widthSegments:60})),material:new ri(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new Br(s,{geometry:new $t(s,Cr({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new Br(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new Br(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new Br(s,{geometry:new $t(s,Er({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new Br(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new Br(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new Br(s,{geometry:new $t(s,Er({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new Br(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new Br(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new Br(s,{geometry:new $t(s,Er({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Ir extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new mt({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Dr=d.vec4(4),Sr=d.vec4(),Tr=d.vec4(),Rr=d.vec3([1,0,0]),Lr=d.vec3([0,1,0]),Ur=d.vec3([0,0,1]),Or=d.vec3(3),kr=d.vec3(3),Nr=d.identityMat4();class Qr extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Nr),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Dr[0]=e[0],Dr[1]=e[1],Dr[2]=e[2],Dr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Dr,Sr),d.mulQuaternions(this.quaternion,Sr,Tr),this.quaternion=Tr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Dr[0]=e[0],Dr[1]=e[1],Dr[2]=e[2],Dr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Dr,Sr),d.mulQuaternions(Sr,this.quaternion,Sr),this}rotateX(e){return this.rotate(Rr,e)}rotateY(e){return this.rotate(Lr,e)}rotateZ(e){return this.rotate(Ur,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Or),d.mulVec3Scalar(Or,t,kr),d.addVec3(this.position,kr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Rr,e)}translateY(e){return this.translate(Lr,e)}translateZ(e){return this.translate(Ur,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class Vr extends ti{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Hr={opaque:0,mask:1,blend:2},jr=["opaque","mask","blend"];class Gr extends ti{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Hr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return jr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const zr={opaque:0,mask:1,blend:2},Wr=["opaque","mask","blend"];class Kr extends ti{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=zr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Wr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Xr(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=dt(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=dt(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=dt(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=dt(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=dt(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=dt(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=dt(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Jr=new Uint8Array([0,0,0,1]);class Yr{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Jr[0]=Math.floor(255*e[0]),Jr[1]=Math.floor(255*e[1]),Jr[2]=Math.floor(255*e[2]),Jr[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Jr[0]=0,Jr[1]=0,Jr[2]=0,Jr[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Jr)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Jr);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Xr(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Xr(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Xr(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Xr(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Xr(i,this.format,this.encoding),d=Xr(i,this.type),p=Zr(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Xr(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Xr(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Xr(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,qr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,qr(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Xr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Xr(i,this.magFilter)));const a=Xr(i,this.format,this.encoding),l=Xr(i,this.type),A=Zr(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Xr(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Xr(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Xr(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Xr(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Zr(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||dt(e,"EXT_color_buffer_float"),n}function qr(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function $r(e){if(!eo(e.width)||!eo(e.height)){const t=document.createElement("canvas");t.width=to(e.width),t.height=to(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function eo(e){return 0==(e&e-1)}function to(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class io extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new mt({texture:new Yr({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Yr({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=$r(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=$r(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class so extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new mt({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const ro=m.memory,oo=d.AABB3();class no extends Ht{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new mt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Yt.getPositionsBounds(t.positions),o=Yt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new Ze(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),ro.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,oo,i.positionsDecodeMatrix),d.AABB3ToOBB3(oo,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new Ze(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),ro.colors+=i.colorsBuf.numItems}if(t.uv){const e=Yt.getUVBounds(t.uv),r=Yt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new Ze(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),ro.uvs+=i.uvBuf.numItems}if(t.normals){const e=Yt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new Ze(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),ro.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),ro.indices+=i.indicesBuf.numItems;const o=jt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),ro.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),ro.meshes--}}var ao={};function lo(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=ao.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function Ao(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=ao.parse.fromOBJ(e),n=ao.edit.unwrap(o.i_verts,o.c_verts,3),a=ao.edit.unwrap(o.i_norms,o.c_norms,3),l=ao.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function ho(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function co(e={}){return ho({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function uo(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function po(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,x,B,w,P,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=x/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(x=0;x<c;x++)w=x+d*b,P=x+d*(b+1),C=x+1+d*(b+1),M=x+1+d*b,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function fo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-x/s),u.push(B/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function go(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function mo(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return go({id:e.id,points:t})}function _o(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}ao.load=function(e,t){var i=new 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i.id=ao.bin.ril(e,0),i.verS=ao.bin.ril(e,4),i.texS=ao.bin.ril(e,8),i.indS=ao.bin.ril(e,12),i.verO=ao.bin.ril(e,16),i.verL=ao.bin.ril(e,20),i.texO=ao.bin.ril(e,24),i.texL=ao.bin.ril(e,28),i.indO=ao.bin.ril(e,32),i.indL=ao.bin.ril(e,36),0!=i.verO&&(t.vertices=ao.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=ao.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=ao.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},ao.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);ao.bin.wil(o,0,1769365870),ao.bin.wil(o,4,32),ao.bin.wil(o,8,32),ao.bin.wil(o,12,s);var n=40;return e.vertices&&(ao.bin.wil(o,16,n),ao.bin.wil(o,20,4*e.vertices.length),ao.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(ao.bin.wil(o,24,n),ao.bin.wil(o,28,4*e.uvt.length),ao.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(ao.bin.wil(o,32,n),ao.bin.wil(o,36,4*e.indices.length),ao.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},ao.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(ao.bin.rf(e,t+4*r));return s},ao.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)ao.bin.wf(e,t+4*s,i[s])},ao.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(ao.bin.rsl(e,t+2*o)),32==s&&r.push(ao.bin.ril(e,t+4*o));return r},ao.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&ao.bin.wsl(e,t+2*r,i[r]),32==s&&ao.bin.wil(e,t+4*r,i[r])},ao.gen={},ao.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},ao.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},ao.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},ao.mat={},ao.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},ao.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},ao.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return ao.mat.rotate(e*s,t*s,i*s)},ao.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},ao.edit={},ao.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},ao.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},ao.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},ao.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},ao.utils={},ao.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class vo extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new io(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Qr(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new Br(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new $t(this,po({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const bo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},yo=d.vec3(),xo=d.vec3(),Bo=d.vec3();class wo{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!bo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];yo[0]=e[r],yo[1]=e[r+1],yo[2]=e[r+2],xo[0]=e[o],xo[1]=e[o+1],xo[2]=e[o+2],Bo[0]=e[n],Bo[1]=e[n+1],Bo[2]=e[n+2],d.cross3Vec3(yo,xo,yo),i+=d.dotVec3(yo,Bo)}return i/6}}const Po=new wo,Co=d.vec3(),Mo=d.vec3(),Eo=d.vec3(),Fo=d.vec3(),Io=d.vec3(),Do=d.vec3();class So{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Co[0]=e[r],Co[1]=e[r+1],Co[2]=e[r+2],Mo[0]=e[o],Mo[1]=e[o+1],Mo[2]=e[o+2],Eo[0]=e[n],Eo[1]=e[n+1],Eo[2]=e[n+2],d.subVec3(Co,Mo,Fo),d.subVec3(Eo,Mo,Io),i+=.5*d.lenVec3(d.cross3Vec3(Fo,Io,Do))}return i}}const To=new So,Ro=d.OBB3(),Lo=d.OBB3(),Uo=d.OBB3();class Oo{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Po.reset(),Po.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Po.addVertex(e)})),this.getEachIndex((e=>{Po.addIndex(e)})),this._volume=Po.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":To.reset(),this.getEachVertex((e=>{To.addVertex(e)})),this.getEachIndex((e=>{To.addIndex(e)})),this._surfaceArea=To.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){this._aabbLocal=e}get aabb(){if(this._aabbWorldDirty){if(d.AABB3ToOBB3(this._aabbLocal,Ro),this.transform?(d.transformOBB3(this.transform.worldMatrix,Ro,Lo),d.transformOBB3(this.model.worldMatrix,Lo,Uo),d.OBB3ToAABB3(Uo,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,Ro,Lo),d.OBB3ToAABB3(Lo,this._aabbWorld)),this.origin){const e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const ko=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let No=0;const Qo={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Vo=new Float32Array([1,1,1,1]),Ho=new Float32Array([0,0,0,1]),jo=d.vec4(),Go=d.vec3(),zo=d.vec3(),Wo=d.mat4();class Ko{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const s=this._uSectionPlanes[t];if(s)if(t<n){const r=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(s.active,r?1:0),r){const r=a[t],o=e._state.origin;if(o){const e=$(r.dist,r.dir,o,Go);i.uniform3fv(s.pos,e)}else i.uniform3fv(s.pos,r.pos);i.uniform3fv(s.dir,r.dir)}}else i.uniform1i(s.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Ve.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,rotationMatrixConjugate:x,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(x,0);const C=0!==c[0]||0!==c[1]||0!==c[2],M=0!==b[0]||0!==b[1]||0!==b[2];if(C||M){const e=Go;if(C){const t=d.transformPoint3(y,c,zo);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(J(v,e,Wo),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(u,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;jo[0]=i,jo[1]=s,jo[2]=t.blendCutoff,jo[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,jo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Ho:Vo)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class Xo extends Ko{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class Jo extends Xo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class Yo extends Xo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class Zo extends Xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class qo extends Xo{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class $o extends qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class en extends qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class tn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class sn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class rn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class on extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class nn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("const float   packUpScale = 256. / 255.;"),s.push("const float   unpackDownscale = 255. / 256.;"),s.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),s.push("const float   shiftRight8 = 1.0 / 256.;"),s.push("vec4 packDepthToRGBA( const in float v ) {"),s.push("    vec4 r = vec4( fract( v * packFactors ), v );"),s.push("    r.yzw -= r.xyz * shiftRight8;"),s.push("    return r * packUpScale;"),s.push("}"),s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class an extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class ln extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class An extends Xo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class hn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class cn extends Xo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const un=d.vec3(),dn=d.vec3(),pn=d.vec3(),fn=d.vec3(),gn=d.mat4();class mn extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=un;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=dn;if(l){const e=pn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,gn),m=fn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _n=d.vec3(),vn=d.vec3(),bn=d.vec3(),yn=d.vec3(),xn=d.mat4();class Bn extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=_n;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=vn;if(l){const e=bn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,xn),m=yn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class wn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Zo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new tn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new sn(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new mn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Bn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Jo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Jo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new Yo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Yo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new cn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new cn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new cn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new cn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new An(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new An(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new nn(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new an(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $o(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new en(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new tn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new rn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new hn(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new sn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new on(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new ln(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Bn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new mn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Pn={};let Cn=65536,Mn=5e6;class En{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Cn=e}get maxDataTextureHeight(){return Cn}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Mn=e}get maxGeometryBatchSize(){return Mn}}const Fn=new En;class In{constructor(){this.maxVerts=Fn.maxGeometryBatchSize,this.maxIndices=3*Fn.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const Dn=d.mat4(),Sn=d.mat4();function Tn(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(Dn),d.translationMat4v(t,Dn),d.identityMat4(Sn),d.scalingMat4v([l/c,A/c,h/c],Sn),d.mulMat4(Dn,Sn,i),r}function Rn(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(Dn),d.translationMat4v(e,Dn),d.identityMat4(Sn),d.scalingMat4v([o/l,n/l,a/l],Sn),d.mulMat4(Dn,Sn,t),t}function Ln(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function Un(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const On=d.mat4(),kn=d.mat4(),Nn=d.vec4([0,0,0,1]),Qn=d.vec3(),Vn=d.vec3(),Hn=d.vec3(),jn=d.vec3(),Gn=d.vec3(),zn=d.vec3(),Wn=d.vec3();class Kn{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Pn[t];return i||(i=new wn(e),Pn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Pn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new In(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=On;m?d.inverseMat4(d.transposeMat4(m,kn),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=Ln(p,"floor","floor"),a=Un(n),A=h=o(p,a),n=Ln(p,"ceil","floor"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),n=Ln(p,"floor","ceil"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),n=Ln(p,"ceil","ceil"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Tn(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new Ze(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Yt.getUVBounds(i.uv),r=Yt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new Ze(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new Ze(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&ee),A=!!(t&oe),h=!!(t&ne),c=!!(t&ae),u=!!(t&le),d=!!(t&ie),p=!!(t&te);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,g=!l||p?Qo.NOT_RENDERED:c?Qo.SILHOUETTE_SELECTED:h?Qo.SILHOUETTE_HIGHLIGHTED:A?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let m=0;m=!l||p?Qo.NOT_RENDERED:c?Qo.EDGES_SELECTED:h?Qo.EDGES_HIGHLIGHTED:A?Qo.EDGES_XRAYED:u?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let _=l&&!p&&d?Qo.PICK:Qo.NOT_RENDERED;const v=t&se?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=i.origin,n=o[0],a=o[1],l=o[2],A=Nn,h=this.model.matrix,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)A[0]=r[e],A[1]=r[e+1],A[2]=r[e+2],A[3]=1,d.decompressPosition(A,c),d.transformPoint4(h,A),A[0]+=n,A[1]+=a,A[2]+=l,t(A)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=Qn,u=Vn;c.set(A?d.subVec3(t,A,Hn):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=jn,f=Gn,g=zn;let m=!1,_=0;const v=Wn;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Xn extends Ko{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class Jn extends Xn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class Yn extends Xn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Zn extends Xn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class qn extends Xn{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class $n extends qn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ea extends qn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ta extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ia extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class sa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class ra extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class oa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class na extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class aa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const la={3e3:"linearToLinear",3001:"sRGBToLinear"};class Aa extends Xn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+la[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+la[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class ha extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class ca extends Xn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const ua=d.vec3(),da=d.vec3(),pa=d.vec3(),fa=d.vec3(),ga=d.mat4();class ma extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=ua;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=da;if(l){const e=d.transformPoint3(h,l,pa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,ga),m=fa,m[0]=n.eye[0]-t[0],m[1]=n.eye[1]-t[1],m[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,m),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _a=d.vec3(),va=d.vec3(),ba=d.vec3(),ya=d.vec3(),xa=d.mat4();class Ba extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=_a;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=va;if(l){const e=d.transformPoint3(h,l,ba);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,xa),m=ya,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class wa{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ta(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ia(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ma(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ba(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Jn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Jn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new Yn(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Yn(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new ca(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new ca(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new ca(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new ca(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Aa(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Aa(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new oa(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new na(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $n(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ea(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ta(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new sa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ha(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ia(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ra(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new aa(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ba(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ma(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Pa={};const Ca=new Uint8Array(4),Ma=new Float32Array(1),Ea=d.vec4([0,0,0,1]),Fa=new Float32Array(3),Ia=d.vec3(),Da=d.vec3(),Sa=d.vec3(),Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.vec3(),Oa=new Float32Array(4);class ka{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Pa[t];return i||(i=new wa(e),Pa[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Pa[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new Ze(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new Ze(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new Ze(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new Ze(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Ze(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new Ze(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ca[0]=t[0],Ca[1]=t[1],Ca[2]=t[2],Ca[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ca,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?1:0)<<16,Ma[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Ma,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Fa[0]=t[0],Fa[1]=t[1],Fa[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Fa,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=i.origin,a=n[0],l=n[1],A=n[2],h=Ea,c=r.matrix,u=this.model.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)h[0]=o[e],h[1]=o[e+1],h[2]=o[e+2],d.decompressPosition(h,p),d.transformPoint3(c,h),d.transformPoint3(u,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Oa[0]=t[0],Oa[1]=t[4],Oa[2]=t[8],Oa[3]=t[12],this._state.modelMatrixCol0Buf.setData(Oa,i),Oa[0]=t[1],Oa[1]=t[5],Oa[2]=t[9],Oa[3]=t[13],this._state.modelMatrixCol1Buf.setData(Oa,i),Oa[0]=t[2],Oa[1]=t[6],Oa[2]=t[10],Oa[3]=t[14],this._state.modelMatrixCol2Buf.setData(Oa,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Ia,p=Da;u.set(h?d.subVec3(t,h,Sa):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=Ta,g=Ra,m=La;let _=!1,v=0;const b=Ua;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(d.decompressPosition(f,x),d.decompressPosition(g,x),d.decompressPosition(m,x),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class Na extends Ko{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class Qa extends Na{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Va extends Na{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Ha=d.vec3(),ja=d.vec3(),Ga=d.vec3(),za=d.vec3(),Wa=d.mat4();class Ka extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ha;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ja;if(l){const e=Ga;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Wa),m=za,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Xa=d.vec3(),Ja=d.vec3(),Ya=d.vec3(),Za=d.vec3(),qa=d.mat4();class $a extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Xa;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ja;if(l){const e=Ya;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,qa),m=Za,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class el{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Qa(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Va(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ka(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new $a(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const tl={};class il{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class sl{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=tl[t];return i||(i=new el(e),tl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete tl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new il(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Tn(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&ee),l=!!(t&oe),A=!!(t&ne),h=!!(t&ae),c=!!(t&ie),u=!!(t&te);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,p=!a||u?Qo.NOT_RENDERED:h?Qo.SILHOUETTE_SELECTED:A?Qo.SILHOUETTE_HIGHLIGHTED:l?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let f=a&&!u&&c?Qo.PICK:Qo.NOT_RENDERED;const g=t&se?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class rl extends Ko{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class ol extends rl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class nl extends rl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const al=d.vec3(),ll=d.vec3(),Al=d.vec3();d.vec3();const hl=d.mat4();class cl extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=al;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ll;if(l){const e=d.transformPoint3(h,l,Al);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,hl),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ul=d.vec3(),dl=d.vec3(),pl=d.vec3();d.vec3();const fl=d.mat4();class gl extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=ul;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=dl;if(l){const e=d.transformPoint3(h,l,pl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,fl),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class ml{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new gl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ol(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new nl(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new gl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const _l={};const vl=new Uint8Array(4),bl=new Float32Array(1),yl=new Float32Array(3),xl=new Float32Array(4);class Bl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=_l[t];return i||(i=new ml(e),_l[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete _l[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new Ze(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new Ze(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new Ze(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";vl[0]=t[0],vl[1]=t[1],vl[2]=t[2],vl[3]=t[3],this._state.colorsBuf.setData(vl,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?255:0)<<16,bl[0]=d,this._state.flagsBuf.setData(bl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],this._state.offsetsBuf.setData(yl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;xl[0]=t[0],xl[1]=t[4],xl[2]=t[8],xl[3]=t[12],this._state.modelMatrixCol0Buf.setData(xl,i),xl[0]=t[1],xl[1]=t[5],xl[2]=t[9],xl[3]=t[13],this._state.modelMatrixCol1Buf.setData(xl,i),xl[0]=t[2],xl[1]=t[6],xl[2]=t[10],xl[3]=t[14],this._state.modelMatrixCol2Buf.setData(xl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class wl extends Ko{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Pl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Cl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Ml extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class El extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Fl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Il=d.vec3(),Dl=d.vec3(),Sl=d.vec3(),Tl=d.vec3(),Rl=d.mat4();class Ll extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Il;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Dl;if(l){const e=Sl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Rl),m=Tl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ul=d.vec3(),Ol=d.vec3(),kl=d.vec3(),Nl=d.vec3(),Ql=d.mat4();class Vl extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ul;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ol;if(l){const e=kl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Ql),m=Nl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Hl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Pl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Cl(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ml(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new El(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Fl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ll(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const jl={};class Gl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]}}class zl{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=jl[t];return i||(i=new Hl(e),jl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete jl[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Gl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.color,o=t.colorsCompressed,n=t.colors,a=t.pickColor,l=this._buffer,A=l.positions.length/3;let h;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(let e=0,t=s.length;e<t;e++)l.positions.push(s[e]);h=s.length/3}else{if(!i)throw"positions expected";h=i.length/3,i.length,l.positions.length;for(let e=0,t=i.length;e<t;e++)l.positions.push(i[e])}if(o)for(let e=0,t=o.length;e<t;e++)l.colors.push(o[e]);else if(n)for(let e=0,t=n.length;e<t;e++)l.colors.push(255*n[e]);else if(r){const e=r[0],t=r[1],i=r[2],s=1;for(let r=0;r<h;r++)l.colors.push(e),l.colors.push(t),l.colors.push(i),l.colors.push(s)}{const e=l.pickColors.length;for(let t=e,i=e+4*h;t<i;t+=4)l.pickColors.push(a[0]),l.pickColors.push(a[1]),l.pickColors.push(a[2]),l.pickColors.push(a[3])}if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<h;e++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);const c=this._portions.length/2;return this._portions.push(A),this._portions.push(h),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Tn(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&ee),l=!!(t&oe),A=!!(t&ne),h=!!(t&ae),c=!!(t&ie),u=!!(t&te);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,p=!a||u?Qo.NOT_RENDERED:h?Qo.SILHOUETTE_SELECTED:A?Qo.SILHOUETTE_HIGHLIGHTED:l?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let f=a&&!u&&c?Qo.PICK:Qo.NOT_RENDERED;const g=t&se?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class Wl extends Ko{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class Kl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Xl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Jl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Yl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Zl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ql extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class $l extends Wl{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const eA=d.vec3(),tA=d.vec3(),iA=d.vec3();d.vec3();const sA=d.mat4();class rA extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=eA;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=tA;if(l){const e=d.transformPoint3(h,l,iA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,sA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oA=d.vec3(),nA=d.vec3(),aA=d.vec3();d.vec3();const lA=d.mat4();class AA extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=oA;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=nA;if(l){const e=d.transformPoint3(h,l,aA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,lA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class hA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Kl(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Xl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ql(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Jl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Yl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Zl(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new $l(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new rA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new AA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const cA={};const uA=new Uint8Array(4),dA=new Float32Array(1),pA=new Float32Array(3),fA=new Float32Array(4);class gA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=cA[t];return i||(i=new hA(e),cA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete cA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new Ze(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new Ze(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new Ze(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";uA[0]=t[0],uA[1]=t[1],uA[2]=t[2],this._state.colorsBuf.setData(uA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?255:0)<<16,dA[0]=d,this._state.flagsBuf.setData(dA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(pA[0]=t[0],pA[1]=t[1],pA[2]=t[2],this._state.offsetsBuf.setData(pA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;fA[0]=t[0],fA[1]=t[4],fA[2]=t[8],fA[3]=t[12],this._state.modelMatrixCol0Buf.setData(fA,i),fA[0]=t[1],fA[1]=t[5],fA[2]=t[9],fA[3]=t[13],this._state.modelMatrixCol1Buf.setData(fA,i),fA[0]=t[2],fA[1]=t[6],fA[2]=t[10],fA[3]=t[14],this._state.modelMatrixCol2Buf.setData(fA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const mA=d.vec3(),_A=d.vec3(),vA=d.mat4();class bA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=mA;if(g){const t=d.transformPoint3(c,A,_A);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,vA)}else f=p;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,mA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class yA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new bA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const xA={};class BA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class wA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class PA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const CA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(CA,null,4));let e=0;Object.keys(CA).forEach((t=>{t.startsWith("size")&&(e+=CA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/CA.totalLines).toFixed(2)}`);let t={};Object.keys(CA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(CA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class MA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);CA.sizeDataColorsAndFlags+=l.byteLength,CA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);CA.sizeDataTextureOffsets+=r.byteLength,CA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);CA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);CA.sizeDataPositionDecodeMatrices+=o.byteLength,CA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);CA.sizeDataTexturePositions+=n.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),CA.sizeDataTexturePortionIds+=o.byteLength,CA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}}const EA=new En,FA=EA.maxDataTextureHeight,IA=new Float32Array(16),DA=new Uint8Array(4),SA=new Float32Array(3);let TA=0;const RA=d.identityMat4();class LA{constructor(e,t){CA.numberOfLayers++,this._layerNumber=TA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=xA[t];return i||(i=new yA(e),xA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete xA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new BA,this._dataTextureState=new wA,this._dataTextureGenerator=new MA,this._state=new mt({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&CA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*FA||t+r>4096*FA)&&CA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*FA&&t+r<=4096*FA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;CA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,CA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||RA),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,CA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,CA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,CA.totalLines32Bits+=t.numLines),CA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,CA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;DA[0]=t[0],DA[1]=t[1],DA[2]=t[2],DA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(DA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,DA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&ee),o=!!(t&oe),n=!!(t&te);let a,l;a=!r||n||o?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,l=!r||n?Qo.NOT_RENDERED:!!(t&ae)?Qo.SILHOUETTE_SELECTED:!!(t&ne)?Qo.SILHOUETTE_HIGHLIGHTED:o?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let A=r&&!n&&!!(t&ie)?Qo.PICK:Qo.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;DA[0]=a,DA[1]=l,DA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(DA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,DA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&se?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;DA[0]=s,DA[1]=0,DA[2]=1,DA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(DA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,DA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;SA[0]=t[0],SA[1]=t[1],SA[2]=t[2],i.texturePerObjectOffsets._textureData.set(SA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,SA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;IA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(IA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,IA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const UA=d.vec3(),OA=d.vec3(),kA=d.vec3();d.vec3();const NA=d.vec4(),QA=d.mat4();class VA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=UA;if(g){const t=d.transformPoint3(c,A,OA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,QA),f=kA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,UA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;NA[0]=t,NA[1]=r,NA[2]=s.blendCutoff,NA[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,NA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const HA=new Float32Array([1,1,1]),jA=d.vec3(),GA=d.vec3(),zA=d.vec3();d.vec3();const WA=d.mat4();class KA{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=jA;if(A){const t=GA;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,WA),g=zA,g[0]=r.eye[0]-e[0],g[1]=r.eye[1]-e[1],g[2]=r.eye[2]-e[2]}else f=p,g=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Qo.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,HA);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,jA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const XA=new Float32Array([0,0,0,1]),JA=d.vec3(),YA=d.vec3();d.vec3();const ZA=d.mat4();class qA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=JA;if(g){const t=d.transformPoint3(c,A,YA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,ZA)}else f=p;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Qo.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,XA);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,JA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const $A=d.vec3(),eh=d.vec3(),th=d.mat4();class ih{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=$A;if(g){const t=d.transformPoint3(c,A,eh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,th)}else f=p;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,$A);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const sh=d.vec3(),rh=d.vec3(),oh=d.vec3(),nh=d.mat4();class ah{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s;let p,f;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=sh;if(g){const t=d.transformPoint3(c,A,rh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(o.viewMatrix,e,nh),f=oh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=o.viewMatrix,f=o.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.project.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,sh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lh=d.vec3(),Ah=d.vec3(),hh=d.vec3();d.vec3();const ch=d.mat4();class uh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=e.pickViewMatrix||o.viewMatrix;let f,g;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=lh;if(A){const e=Ah;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],f=J(p,t,ch),g=hh,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=p,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),r.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,lh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const dh=d.vec3(),ph=d.vec3(),fh=d.vec3(),gh=d.vec3();d.vec3();const mh=d.mat4();class _h{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=dh;let m,_;g[0]=d.safeInv(p[3]-p[0])*d.MAX_INT,g[1]=d.safeInv(p[4]-p[1])*d.MAX_INT,g[2]=d.safeInv(p[5]-p[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(g[0]),e.snapPickCoordinateScale[1]=d.safeInv(g[1]),e.snapPickCoordinateScale[2]=d.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=ph;if(v){const e=d.transformPoint3(c,A,fh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(f,t,mh),_=gh,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,dh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vh=d.vec3(),bh=d.vec3(),yh=d.vec3(),xh=d.vec3();d.vec3();const Bh=d.mat4();class wh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=vh;let m,_;g[0]=d.safeInv(p[3]-p[0])*d.MAX_INT,g[1]=d.safeInv(p[4]-p[1])*d.MAX_INT,g[2]=d.safeInv(p[5]-p[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(g[0]),e.snapPickCoordinateScale[1]=d.safeInv(g[1]),e.snapPickCoordinateScale[2]=d.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=bh;if(v){const e=yh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(f,t,Bh),_=xh,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,vh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ph=d.vec3(),Ch=d.vec3(),Mh=d.vec3();d.vec3();const Eh=d.mat4();class Fh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Ph;if(A){const t=Ch;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,Eh),g=Mh,g[0]=o.eye[0]-e[0],g[1]=o.eye[1]-e[1],g[2]=o.eye[2]-e[2]}else f=p,g=o.eye;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Ph);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ih=d.vec3(),Dh=d.vec3(),Sh=d.vec3();d.vec3();const Th=d.mat4();class Rh{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Ih;if(g){const t=d.transformPoint3(c,A,Dh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,Th),f=Sh,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Ih);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Lh=d.vec3(),Uh=d.vec3(),Oh=d.vec3();d.vec3();const kh=d.mat4();class Nh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const g=0!==l[0]||0!==l[1]||0!==l[2],m=0!==A[0]||0!==A[1]||0!==A[2];if(g||m){const e=Lh;if(g){const t=Uh;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],p=J(u,e,kh),f=Oh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(l){const e=$(i.dist,i.dir,l,Lh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Qh=d.vec3(),Vh=d.vec3(),Hh=d.vec3();d.vec3(),d.vec4();const jh=d.mat4();class Gh{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Qh;if(g){const t=d.transformPoint3(c,A,Vh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,jh),f=Hh,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Qh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class zh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new KA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ah(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new uh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new Gh(this._scene)),this._snapRenderer||(this._snapRenderer=new _h(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new wh(this._scene)),this._snapRenderer||(this._snapRenderer=new _h(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new VA(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new VA(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new KA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Rh(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Nh(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new qA(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ih(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ah(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Gh(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Gh(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new uh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new _h(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new wh(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Fh(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const Wh={};class Kh{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class Xh{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const Jh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Jh,null,4));let e=0;Object.keys(Jh).forEach((t=>{t.startsWith("size")&&(e+=Jh[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Jh.totalPolygons).toFixed(2)}`);let t={};Object.keys(Jh).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Jh[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Yh{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);Jh.sizeDataColorsAndFlags+=h.byteLength,Jh.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Jh.sizeDataTextureOffsets+=r.byteLength,Jh.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.sizeDataPositionDecodeMatrices+=o.byteLength,Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Jh.sizeDataTexturePositions+=n.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Jh.sizeDataTexturePortionIds+=o.byteLength,Jh.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}}const Zh=new En,qh=Zh.maxDataTextureHeight,$h=d.vec4(),ec=new Float32Array(16),tc=new Uint8Array(4),ic=new Float32Array(3);let sc=0;const rc=d.identityMat4();class oc{constructor(e,t){Jh.numberOfLayers++,this._layerNumber=sc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Wh[t];return i||(i=new zh(e),Wh[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wh[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Kh,this._dtxState=new Xh,this._dtxTextureFactory=new Yh,this._state=new mt({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Jh.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*qh||t+r>4096*qh)&&Jh.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*qh&&t+r<=4096*qh}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Jh.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Jh.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,Jh.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||rc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,Jh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,Jh.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,Jh.totalPolygons32Bits+=t.numTriangles),Jh.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,Jh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,Jh.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,Jh.totalEdges32Bits+=t.numEdges),Jh.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,Jh.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;if(tc[0]=t[0],tc[1]=t[1],tc[2]=t[2],tc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(tc,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,tc)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&ee),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&le),A=!!(t&ie),h=!!(t&te);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,u=!r||h?Qo.NOT_RENDERED:a?Qo.SILHOUETTE_SELECTED:n?Qo.SILHOUETTE_HIGHLIGHTED:o?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let d=0;d=!r||h?Qo.NOT_RENDERED:a?Qo.EDGES_SELECTED:n?Qo.EDGES_HIGHLIGHTED:o?Qo.EDGES_XRAYED:l?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let p=r&&!h&&A?Qo.PICK:Qo.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;tc[0]=c,tc[1]=u,tc[2]=d,tc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(tc,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,tc))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&se?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;tc[0]=s,tc[1]=0,tc[2]=1,tc[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(tc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,tc))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ic[0]=t[0],ic[1]=t[1],ic[2]=t[2],i.texturePerObjectOffsets._textureData.set(ic,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,ic))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ec.set(t),i.texturePerObjectInstanceMatrices._textureData.set(ec,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,ec))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=$h;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.transformPoint4(this.model.worldMatrix,u),d.transformPoint4(this.model.worldMatrix,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Qo.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class nc{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class ac{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const lc={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Ac{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const hc=new Ac;class cc{constructor(e){this.manager=void 0!==e?e:hc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const uc={};class dc extends cc{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=lc.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==uc[e])return void uc[e].push({onLoad:t,onProgress:i,onError:s});uc[e]=[],uc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=uc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{lc.add(e,t);const i=uc[e];delete uc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=uc[e];if(void 0===i)throw this.manager.itemError(e),t;delete uc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class pc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let fc=0;class gc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new pc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new dc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new dc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=gc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(gc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(gc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(gc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),fc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),fc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),fc--}}gc.BasisFormat={ETC1S:0,UASTC_4x4:1},gc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},gc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},gc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const mc={};function _c(e){const t=e.scene.id;let i=mc[t];return i||(i=new gc({viewer:e}),mc[t]=i,e.scene.on("destroyed",(()=>{delete mc[t],i.destroy()}))),i}
+class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?i.push('<li id="'+s.id+'" class="xeokit-context-menu-item" style="'+(r===o-1||e<t-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+l+" [MORE]</li>"):i.push('<li id="'+s.id+'" class="xeokit-context-menu-item" style="'+(r===o-1||e<t-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+l+"</li>")}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();a.right+200>window.innerWidth?o._showMenu(i.id,a.left-200,a.top-1):o._showMenu(i.id,a.right-5,a.top-1),n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.visibility="hidden",i.style.height="0",i.style.padding="0";continue}i.style.visibility="visible",i.style.height="auto",i.style.padding=null;const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new l(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],x=t[3],B=t[4],w=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+x*f,i[1]=v*r+b*l+y*u+x*g,i[2]=v*o+b*A+y*d+x*m,i[3]=v*n+b*h+y*p+x*_,i[4]=B*s+w*a+P*c+C*f,i[5]=B*r+w*l+P*u+C*g,i[6]=B*o+w*A+P*d+C*m,i[7]=B*n+w*h+P*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,x=s*A-o*a,B=r*A-o*l,w=h*f-c*p,P=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-x*P+B*w);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*B-g*x+m*y)*I,t[3]=(-c*B+u*x-d*y)*I,t[4]=(-n*F+l*C-A*P)*I,t[5]=(i*F-r*C+o*P)*I,t[6]=(-p*B+g*b-m*v)*I,t[7]=(h*B-u*b+d*v)*I,t[8]=(n*E-a*C+A*w)*I,t[9]=(-i*E+s*C-o*w)*I,t[10]=(p*x-f*b+m*_)*I,t[11]=(-h*x+c*b-d*_)*I,t[12]=(-n*M+a*P-l*w)*I,t[13]=(i*M-s*P+r*w)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,x,B;return p=r-h,f=o-c,g=n-u,B=1/Math.sqrt(p*p+f*f+g*g),p*=B,f*=B,g*=B,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,B=Math.sqrt(m*m+_*_+v*v),B?(B=1/B,m*=B,_*=B,v*=B):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,x=p*_-f*m,B=Math.sqrt(b*b+y*y+x*x),B?(B=1/B,b*=B,y*=B,x*=B):(b=0,y=0,x=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=x,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+x*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],x=e[13],B=e[14],w=e[15];let P;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],P=s[e]||(s[e]=[0,0,0]),P[0]=A*o+d*n+m*a+y,P[1]=h*o+p*n+_*a+x,P[2]=c*o+f*n+v*a+B,P[3]=u*o+g*n+b*a+w;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],x=e[14],B=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+x,i[s+3]=c*o+f*n+v*a+B;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||d.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new l(16),t=new l(16),i=new l(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||d.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||d.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=d.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=d.vec4()){const 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#182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const W={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i}};class K{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var s=this._dotClickable.style;s.left=Math.round(e)-9+"px",s.top=Math.round(t)-9+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}const X=d.vec3(),J=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function Y(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function Z(e,t,i,s=1e3){const r=d.getPositionsCenter(e,X),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function q(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function $(e,t,i,s){const r=d.dotVec3(t,i)+e,o=d.normalizeVec3(t,X);return d.mulVec3Scalar(o,-r,s),s}const ee=1,te=4,ie=8,se=16,re=32,oe=256,ne=512,ae=1024,le=2048,Ae=new Float32Array([0,0,0]),he=new Uint16Array([0,0,0]);d.OBB3();class ce{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(ee)}set visible(e){if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(ne)}set highlighted(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(oe)}set xrayed(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ae)}set selected(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(le)}set edges(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(se)}set clippable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(re)}set collidable(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(ie)}set pickable(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return Ae[0]=e[0]/255,Ae[1]=e[1]/255,Ae[2]=e[2]/255,Ae}set colorize(e){if(e){he[0]=Math.floor(255*e[0]),he[1]=Math.floor(255*e[1]),he[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(he)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ue=d.vec4(),de=d.vec4();class pe extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ue.set(this._viewPos),ue[3]=1,d.transformPoint4(this.scene.camera.projMatrix,ue,de);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+de[0]/de[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-de[1]/de[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof ce?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Y(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),super.destroy()}}const fe=()=>{};function ge(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}class me extends pe{constructor(e,t,i,s={}){super(e,t);const r=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new K(i,{fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:r(s.onMouseOver,"mouseover"),onMouseLeave:r(s.onMouseLeave,"mouseleave"),onMouseWheel:r(s.onMouseWheel,"wheel"),onMouseDown:r(s.onMouseDown,"mousedown"),onMouseUp:r(s.onMouseUp,"mouseup"),onMouseMove:r(s.onMouseMove,"mousemove"),onTouchstart:r(s.onTouchstart,"touchstart"),onTouchmove:r(s.onTouchmove,"touchmove"),onTouchend:r(s.onTouchend,"touchend"),onContextMenu:r(s.onContextMenu,"contextmenu")});const o=()=>{const t=this.canvasPos.slice();ge(e.canvas.canvas,i,t),this._dot.setPos(t[0],t[1])};this.on("worldPos",o);const n=e.camera.on("viewMatrix",o),a=e.camera.on("projMatrix",o);this._cleanup=()=>{e.camera.off(n),e.camera.off(a),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setCulled(e){this._dot.setCulled(e)}setFillColor(e){this._dot.setFillColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this._dot.setVisible(e)}destroy(){this._cleanup(),super.destroy()}}function _e(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",fe),l=i("onMove",fe),A=i("onEnd",fe),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);ge(c.ownerDocument.body,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function ve(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",fe),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return _e(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}class be{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(r.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),r.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):r.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]="rotate("+t+"deg)",s["-moz-transform"]="rotate("+t+"deg)",s["-ms-transform"]="rotate("+t+"deg)",s["-o-transform"]="rotate("+t+"deg)",s.transform="rotate("+t+"deg)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}class ye{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu&&(W.isIphoneSafari()?(i.addEventListener("touchstart",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null),this._timeout=setTimeout((()=>{e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,t.onContextMenu(e,this),clearTimeout(this._timeout),this._timeout=null}),500)})),i.addEventListener("touchend",(e=>{e.preventDefault(),this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}))):i.addEventListener("contextmenu",(e=>{console.log(e),t.onContextMenu(e,this),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}setVisible(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setCulled(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}var xe=d.vec3(),Be=d.vec3();class we extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._color=t.color||e.defaultColor;var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._cornerWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(12),this._vp=new Float64Array(12),this._pp=new Float64Array(12),this._cp=new Int16Array(6);const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},l=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};this._originDot=new me(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._cornerDot=new me(i,t.corner,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetDot=new me(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._originWire=new be(this._container,{color:this._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._targetWire=new be(this._container,{color:this._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._angleLabel=new ye(this._container,{fillColor:this._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:s,onMouseLeave:r,onMouseWheel:n,onMouseDown:a,onMouseUp:l,onMouseMove:A,onContextMenu:o}),this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._visible=!1,this._originVisible=!1,this._cornerVisible=!1,this._targetVisible=!1,this._originWireVisible=!1,this._targetWireVisible=!1,this._angleVisible=!1,this._labelsVisible=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._cornerDot.on("worldPos",(e=>{this._cornerWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.cornerVisible=t.cornerVisible,this.targetVisible=t.targetVisible,this.originWireVisible=t.originWireVisible,this.targetWireVisible=t.targetWireVisible,this.angleVisible=t.angleVisible,this.labelsVisible=t.labelsVisible}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){const u=-.3,p=this._originDot.viewPos[2],f=this._cornerDot.viewPos[2],g=this._targetDot.viewPos[2];if(p>u||f>u||g>u)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var t=this._pp,i=this._cp,s=e.canvas.canvas.getBoundingClientRect();const m=this._container.getBoundingClientRect();for(var r=s.top-m.top,o=s.left-m.left,n=e.canvas.boundary,a=n[2],l=n[3],A=0,h=0,c=t.length;h<c;h+=4)i[A]=o+Math.floor((1+t[h+0]/t[h+3])*a/2),i[A+1]=r+Math.floor((1-t[h+1]/t[h+3])*l/2),A+=2;if(this._originWire.setStartAndEnd(i[0],i[1],i[2],i[3]),this._targetWire.setStartAndEnd(i[2],i[3],i[4],i[5]),this._angleLabel.setPosBetweenWires(i[0],i[1],i[2],i[3],i[4],i[5]),d.subVec3(this._originWorld,this._cornerWorld,xe),d.subVec3(this._targetWorld,this._cornerWorld,Be),!(0===xe[0]&&0===xe[1]&&0===xe[2]||0===Be[0]&&0===Be[1]&&0===Be[2])){const e=this._approximate?" ~ ":" = ";d.normalizeVec3(xe),d.normalizeVec3(Be);const t=Math.abs(d.angleVec3(xe,Be));this._angle=t/d.DEGTORAD,this._angleLabel.setText(e+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._update(),this._angle}get color(){return this._color}set color(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}set visible(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}get originVisible(){return this._originVisible}set cornerVisible(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}get cornerVisible(){return this._cornerVisible}set targetVisible(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}get targetVisible(){return this._targetVisible}set originWireVisible(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}get originWireVisible(){return this._originWireVisible}set targetWireVisible(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}get targetWireVisible(){return this._targetWireVisible}set angleVisible(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}get angleVisible(){return this._angleVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}setHighlighted(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),super.destroy()}}class Pe extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Ce extends Pe{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==t.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==t.parentNode&&c(e.offsetParent)),u=d.vec2(),p=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:this._canvasToPagePos?(this._canvasToPagePos(t,i,u),this.markerDiv.style.left=u[0]-5+"px",this.markerDiv.style.top=u[1]-5+"px"):(this.markerDiv.style.left=c(t)+i[0]-5+"px",this.markerDiv.style.top=h(t)+i[1]-5+"px");break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const f=e=>{if(r=!1,s&&(s.visible=!0,s.pointerPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Me extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Ce(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new we(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Ee extends Pe{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Fe extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=ve({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Ie extends Fe{constructor(e,t){super(e,t,!0,!1)}}class De extends Fe{constructor(e,t){super(e,t,!1,!0)}}const Se=d.vec3(),Te=d.vec3(),Re=d.vec3();class Le extends pe{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._marker.addEventListener("contextmenu",this._onContextMenuExtenalMarker=()=>{this.plugin.fire("contextmenu",this)}),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("contextmenu",(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,Se),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,Te),r=d.addVec3(e.worldPos,s,Re);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Ue extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new Le(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class Oe extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const ke=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Ne extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Oe(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<ke.length;e++)try{this.gl=this.canvas.getContext(ke[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Qe{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),J(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;J(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Ve={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},He=document.createElement("canvas");if(He){const e=He.getContext("webgl",{antialias:!0})||He.getContext("experimental-webgl",{antialias:!0});Ve.WEBGL=!!e,Ve.WEBGL&&(Ve.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Ve.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Ve.FS_MAX_FLOAT_PRECISION="mediump":Ve.FS_MAX_FLOAT_PRECISION="lowp":Ve.FS_MAX_FLOAT_PRECISION="mediump",Ve.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Ve.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Ve.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Ve.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Ve.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Ve.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Ve.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Ve.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Ve.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Ve.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Ve.SUPPORTED_EXTENSIONS[e]=!0})))}class je{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class Ge{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class ze{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class We{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const Ke=new e({});function Xe(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function Je(e){console.error(e.join("\n"))}class Ye{constructor(e,t){this.id=Ke.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ge(e,e.VERTEX_SHADER,Xe(this.source.vertex)),this._fragmentShader=new Ge(e,e.FRAGMENT_SHADER,Xe(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Je(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Je(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Je(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Je(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Je(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new ze(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new We(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(Ke.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class Ze{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class qe{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const $e=d.vec3([1,0,0]),et=d.vec3();class tt{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new qe(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new qe(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new Ye(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,J(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,$(i.dist,i.dir,o,et)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*$e[0],i=255*$e[1],s=255*$e[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const it=d.vec2();class st{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;it[0]=o,it[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,it),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new Ye(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ze(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new Ze(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new Ze(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const rt=new Float32Array(ht(17,[0,1])),ot=new Float32Array(ht(17,[1,0])),nt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(At(s,t));return i}(17,4)),at=new Float32Array(2);class lt{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new Ye(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Ze(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Ze(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),at[0]=n,at[1]=a,s.uniform2fv(this._uViewport,at),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,ot):s.uniform2fv(this._uSampleOffsets,rt),s.uniform1fv(this._uSampleWeights,nt);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function At(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ht(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class ct{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class ut{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new ct(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function dt(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const pt=function(t,i){i=i||{};const s=new Qe(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,x=!0;const B=new ut(t);let w=!1;const P=new st(t),C=new lt(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!dt(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!dt(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!dt(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!dt(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!dt(o,"WEBGL_compressed_texture_pvrtc")&&!dt(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){x=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){P.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=B.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=B.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),P.render(r),n.unbind(),i.blur){const e=B.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],d=[],p=[],f=[],g=[],w=[],P=[],C=[],M=[],E=[],F=[],I=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=x&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?I:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const D=t.sao.possible;if(b&&D){const e=B.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let S,T;const R=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let L=0,U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0;for(let e=0,t=u.length;e<t;e++){if(T=u[e],!0===T.culled||!1===T.visible)continue;const t=T.renderFlags;t.colorOpaque&&(b&&D&&T.saoEnabled?i[L++]=T:T.drawColorOpaque(s)),_&&t.colorTransparent&&(l[O++]=T),t.xrayedSilhouetteTransparent&&(d[V++]=T),t.xrayedSilhouetteOpaque&&(h[N++]=T),t.highlightedSilhouetteTransparent&&(w[z++]=T),t.highlightedSilhouetteOpaque&&(f[j++]=T),t.selectedSilhouetteTransparent&&(E[J++]=T),t.selectedSilhouetteOpaque&&(C[K++]=T),T.edges&&v&&(t.edgesOpaque&&(r[U++]=T),t.edgesTransparent&&(A[k++]=T),t.selectedEdgesTransparent&&(F[Y++]=T),t.selectedEdgesOpaque&&(M[X++]=T),t.xrayedEdgesTransparent&&(p[H++]=T),t.xrayedEdgesOpaque&&(c[Q++]=T),t.highlightedEdgesTransparent&&(P[W++]=T),t.highlightedEdgesOpaque&&(g[G++]=T))}if(L>0)for(s.withSAO=!0,S=0;S<L;S++)i[S].drawColorOpaque(s);if(U>0)for(S=0;S<U;S++)r[S].drawEdgesColorOpaque(s);if(N>0)for(S=0;S<N;S++)h[S].drawSilhouetteXRayed(s);if(Q>0)for(S=0;S<Q;S++)c[S].drawEdgesXRayed(s);if(V>0||H>0||O>0||k>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(O>0||k>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),k>0)for(S=0;S<k;S++)T=A[S],T.drawEdgesColorTransparent(s);if(O>0)for(S=0;S<O;S++)T=l[S],T.drawColorTransparent(s);if(H>0)for(S=0;S<H;S++)p[S].drawEdgesXRayed(s);if(V>0)for(S=0;S<V;S++)d[S].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(j>0||G>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),G>0)for(S=0;S<G;S++)g[S].drawEdgesHighlighted(s);if(j>0)for(S=0;S<j;S++)f[S].drawSilhouetteHighlighted(s)}if(z>0||W>0||j>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(S=0;S<W;S++)P[S].drawEdgesHighlighted(s);if(z>0)for(S=0;S<z;S++)w[S].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(K>0||X>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),X>0)for(S=0;S<X;S++)M[S].drawEdgesSelected(s);if(K>0)for(S=0;S<K;S++)C[S].drawSilhouetteSelected(s)}if(J>0||Y>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Y>0)for(S=0;S<Y;S++)F[S].drawEdgesSelected(s);if(J>0)for(S=0;S<J;S++)E[S].drawSilhouetteSelected(s);o.disable(o.BLEND)}const Z=Date.now(),q=m.frame;q.renderTime=(Z-R)/1e3,q.drawElements=s.drawElements,q.drawArrays=s.drawArrays,q.useProgram=s.useProgram,q.bindTexture=s.bindTexture,q.bindArray=s.bindArray;const $=Ve.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<$;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const ee=Ve.MAX_VERTEX_ATTRIBS;for(let e=0;e<ee;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new je,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,x=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,x=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,x=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,x="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const w=B.getRenderBuffer("pick",{size:[1,1]});w.bind();const P=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(w,p,b,y,m,_);if(!P)return w.unbind(),null;const C=P.delegatePickedEntity?P.delegatePickedEntity():P;return C?(m.pickSurface&&(P.canPickTriangle&&P.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(w,P,p,b,y,_),P.pickTriangleSurface(b,y,x,_),_.pickSurfacePrecision=!1):P.canPickWorldPos&&P.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(w,P,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=B.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,P,p,b,y,_),_.pickSurfacePrecision=!1)),w.unbind(),_.entity=C,_):(w.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),x=(f[0]-r.clientWidth/2)/(r.clientWidth/2),B=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),w=p.origin;let P;if(w){const e=J(g,w,A);P=d.mulMat4(m,e,h)}else P=d.mulMat4(m,g,h);const C=d.inverseMat4(P,c);e[0]=x,e[1]=B,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=x,i[1]=B,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);w&&d.addVec3(I,w),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new je;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=B.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const x=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),w=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),P=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=x.slice(F,F+4),R=w.slice(F,F+4),L=P.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<x.length;e+=4)if(x[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?x[e+3]>y.length/2:p,result:[x[e+0],x[e+1],x[e+2],x[e+3]],normal:[w[e+0],w[e+1],w[e+2],w[e+3]],id:[P[e+0],P[e+1],P[e+2],P[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new tt(t,B),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=B.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=B.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),w=!0},this.renderSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return B.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return B.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!w)return;B.getRenderBuffer("snapshot").unbind(),w=!1},this.destroy=function(){A={},h={},B.destroy(),P.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class ft extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-s}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const gt=new e({});class mt{constructor(e){this.id=gt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){gt.removeItem(this.id)}}class _t extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new mt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class vt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class bt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class yt extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class xt extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new mt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Bt=d.vec3(),wt=d.vec3(),Pt=d.vec3(),Ct=d.vec3(),Mt=d.vec3(),Et=d.vec3(),Ft=d.vec4(),It=d.vec4(),Dt=d.vec4(),St=d.mat4(),Tt=d.mat4(),Rt=d.vec3(),Lt=d.vec3(),Ut=d.vec3(),Ot=d.vec3();class kt extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new mt({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new vt(this),this._ortho=new bt(this),this._frustum=new yt(this),this._customProjection=new xt(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,Rt),d.normalizeVec3(Rt,Lt),d.mulVec3Scalar(Lt,1e3,Ut),d.addVec3(this._look,Ut,Ot),t=Ot):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,Tt),d.mulMat4(e.deviceMatrix,Tt,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,Bt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,St),t=d.transformPoint3(St,t,wt),this.eye=d.addVec3(this._look,t,Pt),this.up=d.transformPoint3(St,this._up,Ct)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,Bt);const i=d.cross3Vec3(d.normalizeVec3(t,wt),d.normalizeVec3(this._up,Pt));d.rotationMat4v(.0174532925*e,i,St),t=d.transformPoint3(St,t,Ct),this.up=d.transformPoint3(St,this._up,Mt),this.eye=d.addVec3(t,this._look,Et)}yaw(e){let t=d.subVec3(this._look,this._eye,Bt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,St),t=d.transformPoint3(St,t,wt),this.look=d.addVec3(t,this._eye,Pt),this._gimbalLock&&(this.up=d.transformPoint3(St,this._up,Ct))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,Bt);const i=d.cross3Vec3(d.normalizeVec3(t,wt),d.normalizeVec3(this._up,Pt));d.rotationMat4v(.0174532925*e,i,St),this.up=d.transformPoint3(St,this._up,Et),t=d.transformPoint3(St,t,Ct),this.look=d.addVec3(t,this._eye,Mt)}pan(e){const t=d.subVec3(this._eye,this._look,Bt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,wt));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,Pt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Ct),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Mt),this.look=d.addVec3(this._look,i,Et)}zoom(e){const t=d.subVec3(this._eye,this._look,Bt),i=Math.abs(d.lenVec3(t,wt)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,Pt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Ct)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,Bt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Ft,i=It,s=Dt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Nt extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Qt extends Nt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new mt({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new ct(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Vt extends Nt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Ht extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var jt=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],x=Math.cos(d.DEGTORAD*b),B={};let w,P,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)w=s[e+i],P=s[e+(i+1)%3],C=Math.min(w,P),M=Math.max(w,P),E=C+","+M,void 0===B[E]?B[E]={index1:C,index2:M,face1:t,face2:void 0}:B[E].face2=t}for(E in B)F=B[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>x)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const Gt=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var zt=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var Wt=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function Kt(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function Xt(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function Jt(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const Yt={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:Gt,compressPositions:zt,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:Wt,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=Kt(e,a,"floor","floor"),s=Xt(i),o=n=Jt(e,a,s),i=Kt(e,a,"ceil","floor"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),i=Kt(e,a,"floor","ceil"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),i=Kt(e,a,"ceil","ceil"),s=Xt(i),o=Jt(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},Zt=m.memory,qt=d.AABB3();class $t extends Ht{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new mt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=Yt.getPositionsBounds(t.positions),s=Yt.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=Yt.getUVBounds(t.uv),s=Yt.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=Yt.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),Zt.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Zt.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Zt.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new Ze(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Zt.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Zt.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Ze(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Zt.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=jt(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Zt.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new Ze(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),Zt.positions+=this._pickTrianglePositionsBuf.numItems,Zt.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),Yt.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=Yt.getPositionsBounds(e),s=Yt.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),Yt.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),Yt.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,qt,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(qt,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Zt.meshes--}}function ei(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class ti extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const ii={opaque:0,mask:1,blend:2},si=["opaque","mask","blend"];class ri extends ti{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=ii[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return si[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const oi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class ni extends ti{get type(){return"EmphasisMaterial"}get presets(){return oi}constructor(e,t={}){super(e,t),this._state=new mt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=oi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(oi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const ai={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class li extends ti{get type(){return"EdgeMaterial"}get presets(){return ai}constructor(e,t={}){super(e,t),this._state=new mt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=ai[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(ai).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ai={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class hi extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return Ai}set units(e){e||(e="meters");Ai[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class ci extends R{constructor(e,t={}){super(e,t),this._supported=Ve.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class ui extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const di={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class pi extends ti{get type(){return"PointsMaterial"}get presets(){return di}constructor(e,t={}){super(e,t),this._state=new mt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=di[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(di).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const fi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class gi extends ti{get type(){return"LinesMaterial"}get presets(){return fi}constructor(e,t={}){super(e,t),this._state=new mt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=fi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(fi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function mi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class _i extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Ne(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new pt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new ft(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new hi(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new ci(this,{enabled:t.saoEnabled}),this.crossSections=new ui(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new _t(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new kt(this,{id:"default.camera",dontClear:!0}),new Vt(this,{color:[1,1,1],intensity:.7}),new Qt(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Qt(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||ei($t)}get material(){return this.components["default.material"]||new ri(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new ni(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new ni(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new ni(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new li(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new pi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new gi(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=mi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=mi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const vi=1e3,bi=1001,yi=1002,xi=1003,Bi=1004,wi=1004,Pi=1005,Ci=1005,Mi=1006,Ei=1007,Fi=1007,Ii=1008,Di=1008,Si=1009,Ti=1010,Ri=1011,Li=1012,Ui=1013,Oi=1014,ki=1015,Ni=1016,Qi=1017,Vi=1018,Hi=1020,ji=1021,Gi=1022,zi=1023,Wi=1024,Ki=1025,Xi=1026,Ji=1027,Yi=1028,Zi=1029,qi=1030,$i=1031,es=1033,ts=33776,is=33777,ss=33778,rs=33779,os=35840,ns=35841,as=35842,ls=35843,As=36196,hs=37492,cs=37496,us=37808,ds=37809,ps=37810,fs=37811,gs=37812,ms=37813,_s=37814,vs=37815,bs=37816,ys=37817,xs=37818,Bs=37819,ws=37820,Ps=37821,Cs=36492,Ms=3e3,Es=3001,Fs=1e4,Is=10001,Ds=10002,Ss=10003,Ts=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Us(e),u=s.getNumAllocatedSectionPlanes()>0,d=Ls(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=Us(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Ls(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Rs[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Rs[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Rs[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Rs[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Rs[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Rs[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Rs={};function Ls(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function Us(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Rs[3e3]="linearToLinear",Rs[3001]="sRGBToLinear";const Os=d.vec3(),ks=new e({}),Ns=function(e,t){this.id=ks.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ts(t),this._allocate(t)},Qs={};Ns.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Qs[i];if(!s){if(s=new Ns(i,e),s.errors)return console.log(s.errors.join("\n")),null;Qs[i]=s,m.memory.programs++}return s._useCount++,s},Ns.prototype.put=function(){0==--this._useCount&&(ks.removeItem(this.id),this._program&&this._program.destroy(),delete Qs[this._hash],m.memory.programs--)},Ns.prototype.webglContextRestored=function(){this._program=null},Ns.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Ve.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=$(i.dist,i.dir,c,Os);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Ns.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Ns.prototype._bindProgram=function(e){const t=Ve.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class Vs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Hs=new e({}),js=d.vec3(),Gs=function(e,t){this.id=Hs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Vs(t),this._allocate(t)},zs={};Gs.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=zs[t];return i||(i=new Gs(t,e),zs[t]=i,m.memory.programs++),i._useCount++,i},Gs.prototype.put=function(){0==--this._useCount&&(Hs.removeItem(this.id),this._program&&this._program.destroy(),delete zs[this._hash],m.memory.programs--)},Gs.prototype.webglContextRestored=function(){this._program=null},Gs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=$(i.dist,i.dir,A,js);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Gs.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new Ye(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Gs.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class Ws{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Ks=new e({}),Xs=d.vec3(),Js=function(e,t){this.id=Ks.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ws(t),this._allocate(t)},Ys={};Js.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ys[t];return i||(i=new Js(t,e),Ys[t]=i,m.memory.programs++),i._useCount++,i},Js.prototype.put=function(){0==--this._useCount&&(Ks.removeItem(this.id),this._program&&this._program.destroy(),delete Ys[this._hash],m.memory.programs--)},Js.prototype.webglContextRestored=function(){this._program=null},Js.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=$(i.dist,i.dir,h,Xs);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Js.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Js.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Zs{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const qs=d.vec3(),$s=function(e,t){this._hash=e,this._shaderSource=new Zs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},er={};$s.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=er[t];if(!i){if(i=new $s(t,e),i.errors)return console.log(i.errors.join("\n")),null;er[t]=i,m.memory.programs++}return i._useCount++,i},$s.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete er[this._hash],m.memory.programs--)},$s.prototype.webglContextRestored=function(){this._program=null},$s.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=$(i.dist,i.dir,a,qs);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},$s.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},$s.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class tr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const ir=d.vec3(),sr=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new tr(t),this._allocate(t)},rr={};sr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=rr[t];if(!i){if(i=new sr(t,e),i.errors)return console.log(i.errors.join("\n")),null;rr[t]=i,m.memory.programs++}return i._useCount++,i},sr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete rr[this._hash],m.memory.programs--)},sr.prototype.webglContextRestored=function(){this._program=null},sr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=$(i.dist,i.dir,l,ir);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},sr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class or{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const nr=d.vec3(),ar=function(e,t){this._hash=e,this._shaderSource=new or(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},lr={};ar.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=lr[t];if(!i){if(i=new ar(t,e),i.errors)return console.log(i.errors.join("\n")),null;lr[t]=i,m.memory.programs++}return i._useCount++,i},ar.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete lr[this._hash],m.memory.programs--)},ar.prototype.webglContextRestored=function(){this._program=null},ar.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=$(i.dist,i.dir,a,nr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},ar.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ar.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Ar{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const hr=function(e,t){this._hash=e,this._shaderSource=new Ar(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},cr={};hr.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=cr[i];if(!s){if(s=new hr(i,e),s.errors)return console.log(s.errors.join("\n")),null;cr[i]=s,m.memory.programs++}return s._useCount++,s},hr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete cr[this._hash],m.memory.programs--)},hr.prototype.webglContextRestored=function(){this._program=null},hr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},hr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new Ye(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},hr.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class ur{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const dr=d.OBB3(),pr=d.vec4(),fr=d.vec4(),gr=d.vec4(),mr=d.vec3([1,0,0]),_r=d.vec3([0,1,0]),vr=d.vec3([0,0,1]),br=d.vec3(3),yr=d.vec3(3),xr=d.identityMat4();class Br extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new ur,this._state=new mt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||xr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ns.get(this),this._emphasisFillRenderer=Gs.get(this),this._emphasisEdgesRenderer=Js.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=$s.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=ar.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,dr),d.OBB3ToAABB3(dr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return pr[0]=e[0],pr[1]=e[1],pr[2]=e[2],pr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(pr,fr),d.mulQuaternions(this.quaternion,fr,gr),this.quaternion=gr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return pr[0]=e[0],pr[1]=e[1],pr[2]=e[2],pr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(pr,fr),d.mulQuaternions(fr,this.quaternion,fr),this}rotateX(e){return this.rotate(mr,e)}rotateY(e){return this.rotate(_r,e)}rotateZ(e){return this.rotate(vr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,br),d.mulVec3Scalar(br,t,yr),d.addVec3(this.position,yr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(mr,e)}translateY(e){return this.translate(_r,e)}translateZ(e){return this.translate(vr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Ns.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Ns.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Gs.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Js.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=ar.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=hr.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=$s.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=sr.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){wr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const wr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),x=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let W,K,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,W=3*O,K=3*k,X=3*N}else W=3*V,K=W+3,X=K+3;if(i[0]=z[W+0],i[1]=z[W+1],i[2]=z[W+2],s[0]=z[K+0],s[1]=z[K+1],s[2]=z[K+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(Yt.decompressPosition(i,e,i),Yt.decompressPosition(s,e,s),Yt.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?J(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;Yt.decompressNormal(Y.subarray(e,e+2),h),Yt.decompressNormal(Y.subarray(t,t+2),c),Yt.decompressNormal(Y.subarray(i,i+2),u)}else h[0]=Y[W],h[1]=Y[W+1],h[2]=Y[W+2],c[0]=Y[K],c[1]=Y[K+1],c[2]=Y[K+2],u[0]=Y[X],u[1]=Y[X+1],u[2]=Y[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),x),d.mulVec3Scalar(u,A[2],B),w);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,P))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(Yt.decompressUV(p,e,p),Yt.decompressUV(f,e,f),Yt.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function Pr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative 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Er(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,x=.04,B=0;B<_.length;B++){A=0,c=(h=_[B]).length;for(var w=0;w<c;w++)if(u=Mr[h.charAt(w)]){d=1,p=-1,f=-1,g=u.points.length;for(var P=0;P<g;P++)-1!==(m=u.points[P])[0]||-1!==m[1]?(n.push(A+m[0]*o*x+i),n.push(b+m[1]*o*x+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*x*o}b-=35*x*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Fr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new _i(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new Vt(s,{color:[.45,.45,.5],intensity:.9}),new Qt(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Qt(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new $t(s,Pr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new $t(s,Pr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new ri(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new ri(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new ri(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new ri(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new ri(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new ri(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new ri(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new Br(s,{geometry:new $t(s,Cr({radius:9,heightSegments:60,widthSegments:60})),material:new ri(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new Br(s,{geometry:new $t(s,Cr({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new Br(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new Br(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new Br(s,{geometry:new $t(s,Er({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new Br(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new Br(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new Br(s,{geometry:new $t(s,Er({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new Br(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new Br(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new Br(s,{geometry:new $t(s,Er({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Ir extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new mt({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Dr=d.vec4(4),Sr=d.vec4(),Tr=d.vec4(),Rr=d.vec3([1,0,0]),Lr=d.vec3([0,1,0]),Ur=d.vec3([0,0,1]),Or=d.vec3(3),kr=d.vec3(3),Nr=d.identityMat4();class Qr extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Nr),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Dr[0]=e[0],Dr[1]=e[1],Dr[2]=e[2],Dr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Dr,Sr),d.mulQuaternions(this.quaternion,Sr,Tr),this.quaternion=Tr,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Dr[0]=e[0],Dr[1]=e[1],Dr[2]=e[2],Dr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Dr,Sr),d.mulQuaternions(Sr,this.quaternion,Sr),this}rotateX(e){return this.rotate(Rr,e)}rotateY(e){return this.rotate(Lr,e)}rotateZ(e){return this.rotate(Ur,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Or),d.mulVec3Scalar(Or,t,kr),d.addVec3(this.position,kr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Rr,e)}translateY(e){return this.translate(Lr,e)}translateZ(e){return this.translate(Ur,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class Vr extends ti{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Hr={opaque:0,mask:1,blend:2},jr=["opaque","mask","blend"];class Gr extends ti{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Hr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return jr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const zr={opaque:0,mask:1,blend:2},Wr=["opaque","mask","blend"];class Kr extends ti{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new mt({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=zr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Wr[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Xr(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=dt(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=dt(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=dt(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=dt(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=dt(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=dt(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=dt(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Jr=new Uint8Array([0,0,0,1]);class Yr{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Jr[0]=Math.floor(255*e[0]),Jr[1]=Math.floor(255*e[1]),Jr[2]=Math.floor(255*e[2]),Jr[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Jr[0]=0,Jr[1]=0,Jr[2]=0,Jr[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Jr)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Jr);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Xr(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Xr(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Xr(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Xr(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Xr(i,this.format,this.encoding),d=Xr(i,this.type),p=Zr(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Xr(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Xr(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Xr(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,qr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,qr(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Xr(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Xr(i,this.magFilter)));const a=Xr(i,this.format,this.encoding),l=Xr(i,this.type),A=Zr(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Xr(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Xr(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Xr(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Xr(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Zr(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||dt(e,"EXT_color_buffer_float"),n}function qr(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function $r(e){if(!eo(e.width)||!eo(e.height)){const t=document.createElement("canvas");t.width=to(e.width),t.height=to(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function eo(e){return 0==(e&e-1)}function to(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class io extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new mt({texture:new Yr({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Yr({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=$r(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=$r(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class so extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new mt({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const ro=m.memory,oo=d.AABB3();class no extends Ht{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new mt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=Yt.getPositionsBounds(t.positions),o=Yt.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new Ze(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),ro.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,oo,i.positionsDecodeMatrix),d.AABB3ToOBB3(oo,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new Ze(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),ro.colors+=i.colorsBuf.numItems}if(t.uv){const e=Yt.getUVBounds(t.uv),r=Yt.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new Ze(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),ro.uvs+=i.uvBuf.numItems}if(t.normals){const e=Yt.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new Ze(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),ro.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),ro.indices+=i.indicesBuf.numItems;const o=jt(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),ro.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),ro.meshes--}}var ao={};function lo(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=ao.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function Ao(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=ao.parse.fromOBJ(e),n=ao.edit.unwrap(o.i_verts,o.c_verts,3),a=ao.edit.unwrap(o.i_norms,o.c_norms,3),l=ao.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function ho(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function co(e={}){return ho({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function uo(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function po(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,x,B,w,P,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(x=0;x<d;x++)B=x*f-A,m[E]=B+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=x/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(x=0;x<c;x++)w=x+d*b,P=x+d*(b+1),C=x+1+d*(b+1),M=x+1+d*b,I[E]=M,I[E+1]=P,I[E+2]=w,I[E+3]=M,I[E+4]=C,I[E+5]=P,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function fo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,x,B,w,P,C,M;for(B=0;B<=r;B++)for(x=0;x<=s;x++)f=x/s*o,g=.785398+B/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-x/s),u.push(B/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(B=1;B<=r;B++)for(x=1;x<=s;x++)w=(s+1)*B+x-1,P=(s+1)*(B-1)+x-1,C=(s+1)*(B-1)+x,M=(s+1)*B+x,p.push(w),p.push(P),p.push(C),p.push(C),p.push(M),p.push(w);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function go(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function mo(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return go({id:e.id,points:t})}function _o(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}ao.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},ao.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(ao.parse._buffToStr(e));window.location.href=i},ao.clone=function(e){return JSON.parse(JSON.stringify(e))},ao.bin={},ao.bin.f=new Float32Array(1),ao.bin.fb=new Uint8Array(ao.bin.f.buffer),ao.bin.rf=function(e,t){for(var i=ao.bin.f,s=ao.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},ao.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},ao.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},ao.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},ao.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},ao.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},ao.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},ao.parse={},ao.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},ao.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},ao.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},ao.parse.fromJSON=function(e){return JSON.parse(ao.parse._buffToStr(e))},ao.parse.toJSON=function(e){var t=JSON.stringify(e);return ao.parse._strToBuff(t)},ao.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=ao.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,x=t.c_verts.length/3,B=t.c_uvt.length/2,w=t.c_norms.length/3;if(d<0&&(d=x+d+1),p<0&&(p=x+p+1),f<0&&(f=x+f+1),g<0&&(g=B+g+1),m<0&&(m=B+m+1),_<0&&(_=B+_+1),v<0&&(v=w+v+1),b<0&&(b=w+b+1),y<0&&(y=w+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var P=n[4].split("/"),C=parseInt(P[0])-1,M=parseInt(P[1])-1,E=parseInt(P[2])-1;C<0&&(C=x+C+1),M<0&&(M=B+M+1),E<0&&(E=w+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return 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e.vertices&&(ao.bin.wil(o,16,n),ao.bin.wil(o,20,4*e.vertices.length),ao.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(ao.bin.wil(o,24,n),ao.bin.wil(o,28,4*e.uvt.length),ao.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(ao.bin.wil(o,32,n),ao.bin.wil(o,36,4*e.indices.length),ao.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},ao.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(ao.bin.rf(e,t+4*r));return s},ao.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)ao.bin.wf(e,t+4*s,i[s])},ao.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(ao.bin.rsl(e,t+2*o)),32==s&&r.push(ao.bin.ril(e,t+4*o));return r},ao.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&ao.bin.wsl(e,t+2*r,i[r]),32==s&&ao.bin.wil(e,t+4*r,i[r])},ao.gen={},ao.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},ao.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},ao.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},ao.mat={},ao.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},ao.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},ao.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return ao.mat.rotate(e*s,t*s,i*s)},ao.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},ao.edit={},ao.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},ao.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},ao.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},ao.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},ao.utils={},ao.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class vo extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new io(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Qr(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new Br(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new $t(this,po({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const bo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},yo=d.vec3(),xo=d.vec3(),Bo=d.vec3();class wo{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!bo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];yo[0]=e[r],yo[1]=e[r+1],yo[2]=e[r+2],xo[0]=e[o],xo[1]=e[o+1],xo[2]=e[o+2],Bo[0]=e[n],Bo[1]=e[n+1],Bo[2]=e[n+2],d.cross3Vec3(yo,xo,yo),i+=d.dotVec3(yo,Bo)}return i/6}}const Po=new wo,Co=d.vec3(),Mo=d.vec3(),Eo=d.vec3(),Fo=d.vec3(),Io=d.vec3(),Do=d.vec3();class So{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Co[0]=e[r],Co[1]=e[r+1],Co[2]=e[r+2],Mo[0]=e[o],Mo[1]=e[o+1],Mo[2]=e[o+2],Eo[0]=e[n],Eo[1]=e[n+1],Eo[2]=e[n+2],d.subVec3(Co,Mo,Fo),d.subVec3(Eo,Mo,Io),i+=.5*d.lenVec3(d.cross3Vec3(Fo,Io,Do))}return i}}const To=new So,Ro=d.OBB3(),Lo=d.OBB3(),Uo=d.OBB3();class Oo{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Po.reset(),Po.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Po.addVertex(e)})),this.getEachIndex((e=>{Po.addIndex(e)})),this._volume=Po.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":To.reset(),this.getEachVertex((e=>{To.addVertex(e)})),this.getEachIndex((e=>{To.addIndex(e)})),this._surfaceArea=To.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){this._aabbLocal=e}get aabb(){if(this._aabbWorldDirty){if(d.AABB3ToOBB3(this._aabbLocal,Ro),this.transform?(d.transformOBB3(this.transform.worldMatrix,Ro,Lo),d.transformOBB3(this.model.worldMatrix,Lo,Uo),d.OBB3ToAABB3(Uo,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,Ro,Lo),d.OBB3ToAABB3(Lo,this._aabbWorld)),this.origin){const e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const ko=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let No=0;const Qo={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Vo=new Float32Array([1,1,1,1]),Ho=new Float32Array([0,0,0,1]),jo=d.vec4(),Go=d.vec3(),zo=d.vec3(),Wo=d.mat4();class Ko{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const s=this._uSectionPlanes[t];if(s)if(t<n){const r=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(s.active,r?1:0),r){const r=a[t],o=e._state.origin;if(o){const e=$(r.dist,r.dir,o,Go);i.uniform3fv(s.pos,e)}else i.uniform3fv(s.pos,r.pos);i.uniform3fv(s.dir,r.dir)}}else i.uniform1i(s.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Ve.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,rotationMatrixConjugate:x,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(x,0);const C=0!==c[0]||0!==c[1]||0!==c[2],M=0!==b[0]||0!==b[1]||0!==b[2];if(C||M){const e=Go;if(C){const t=d.transformPoint3(y,c,zo);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(J(v,e,Wo),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(u,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;jo[0]=i,jo[1]=s,jo[2]=t.blendCutoff,jo[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,jo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Qo[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Ho:Vo)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class Xo extends Ko{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class Jo extends Xo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class Yo extends Xo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class Zo extends Xo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class qo extends Xo{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class $o extends qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class en extends qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class tn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class sn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class rn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class on extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class nn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("const float   packUpScale = 256. / 255.;"),s.push("const float   unpackDownscale = 255. / 256.;"),s.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),s.push("const float   shiftRight8 = 1.0 / 256.;"),s.push("vec4 packDepthToRGBA( const in float v ) {"),s.push("    vec4 r = vec4( fract( v * packFactors ), v );"),s.push("    r.yzw -= r.xyz * shiftRight8;"),s.push("    return r * packUpScale;"),s.push("}"),s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class an extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class ln extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class An extends Xo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class hn extends Xo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class cn extends Xo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const un=d.vec3(),dn=d.vec3(),pn=d.vec3(),fn=d.vec3(),gn=d.mat4();class mn extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=un;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=dn;if(l){const e=pn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,gn),m=fn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _n=d.vec3(),vn=d.vec3(),bn=d.vec3(),yn=d.vec3(),xn=d.mat4();class Bn extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=_n;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=vn;if(l){const e=bn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,xn),m=yn,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class wn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Zo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new tn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new sn(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new mn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Bn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Jo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Jo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new Yo(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Yo(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new cn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new cn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new cn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new cn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new An(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new An(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new nn(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new an(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $o(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new en(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new tn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new rn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new hn(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new sn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new on(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new ln(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Bn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new mn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Pn={};let Cn=65536,Mn=5e6;class En{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Cn=e}get maxDataTextureHeight(){return Cn}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Mn=e}get maxGeometryBatchSize(){return Mn}}const Fn=new En;class In{constructor(){this.maxVerts=Fn.maxGeometryBatchSize,this.maxIndices=3*Fn.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const Dn=d.mat4(),Sn=d.mat4();function Tn(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(Dn),d.translationMat4v(t,Dn),d.identityMat4(Sn),d.scalingMat4v([l/c,A/c,h/c],Sn),d.mulMat4(Dn,Sn,i),r}function Rn(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(Dn),d.translationMat4v(e,Dn),d.identityMat4(Sn),d.scalingMat4v([o/l,n/l,a/l],Sn),d.mulMat4(Dn,Sn,t),t}function Ln(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function Un(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const On=d.mat4(),kn=d.mat4(),Nn=d.vec4([0,0,0,1]),Qn=d.vec3(),Vn=d.vec3(),Hn=d.vec3(),jn=d.vec3(),Gn=d.vec3(),zn=d.vec3(),Wn=d.vec3();class Kn{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Pn[t];return i||(i=new wn(e),Pn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Pn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new In(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let x;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";x=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";x=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=On;m?d.inverseMat4(d.transposeMat4(m,kn),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=Ln(p,"floor","floor"),a=Un(n),A=h=o(p,a),n=Ln(p,"ceil","floor"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),n=Ln(p,"floor","ceil"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),n=Ln(p,"ceil","ceil"),a=Un(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<x;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const B=null!=p?p:0,w=null!=f?f:255;for(let e=0;e<x;e++)b.metallicRoughness.push(B),b.metallicRoughness.push(w);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*x;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<x;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const P=this._portions.length,C={vertsBaseIndex:y,numVerts:x,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),P}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Tn(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new Ze(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=Yt.getUVBounds(i.uv),r=Yt.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new Ze(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new Ze(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&ee),A=!!(t&oe),h=!!(t&ne),c=!!(t&ae),u=!!(t&le),d=!!(t&ie),p=!!(t&te);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,g=!l||p?Qo.NOT_RENDERED:c?Qo.SILHOUETTE_SELECTED:h?Qo.SILHOUETTE_HIGHLIGHTED:A?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let m=0;m=!l||p?Qo.NOT_RENDERED:c?Qo.EDGES_SELECTED:h?Qo.EDGES_HIGHLIGHTED:A?Qo.EDGES_XRAYED:u?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let _=l&&!p&&d?Qo.PICK:Qo.NOT_RENDERED;const v=t&se?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=i.origin,n=o[0],a=o[1],l=o[2],A=Nn,h=this.model.matrix,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)A[0]=r[e],A[1]=r[e+1],A[2]=r[e+2],A[3]=1,d.decompressPosition(A,c),d.transformPoint4(h,A),A[0]+=n,A[1]+=a,A[2]+=l,t(A)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=Qn,u=Vn;c.set(A?d.subVec3(t,A,Hn):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=jn,f=Gn,g=zn;let m=!1,_=0;const v=Wn;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Xn extends Ko{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class Jn extends Xn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class Yn extends Xn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Zn extends Xn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class qn extends Xn{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class $n extends qn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ea extends qn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ta extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ia extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class sa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class ra extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class oa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class na extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class aa extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const la={3e3:"linearToLinear",3001:"sRGBToLinear"};class Aa extends Xn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+la[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+la[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class ha extends Xn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class ca extends Xn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const ua=d.vec3(),da=d.vec3(),pa=d.vec3(),fa=d.vec3(),ga=d.mat4();class ma extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=ua;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=da;if(l){const e=d.transformPoint3(h,l,pa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,ga),m=fa,m[0]=n.eye[0]-t[0],m[1]=n.eye[1]-t[1],m[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,m),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _a=d.vec3(),va=d.vec3(),ba=d.vec3(),ya=d.vec3(),xa=d.mat4();class Ba extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=_a;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=va;if(l){const e=d.transformPoint3(h,l,ba);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,xa),m=ya,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class wa{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ta(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ia(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ma(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ba(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Jn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Jn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new Yn(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Yn(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new ca(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new ca(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new ca(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new ca(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Aa(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Aa(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Zn(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new oa(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new na(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new $n(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ea(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ta(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new sa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new ha(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ia(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new ra(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new aa(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ba(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ma(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Pa={};const Ca=new Uint8Array(4),Ma=new Float32Array(1),Ea=d.vec4([0,0,0,1]),Fa=new Float32Array(3),Ia=d.vec3(),Da=d.vec3(),Sa=d.vec3(),Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.vec3(),Oa=new Float32Array(4);class ka{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Pa[t];return i||(i=new wa(e),Pa[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Pa[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new Ze(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new Ze(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new Ze(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new Ze(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Ze(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Ze(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new Ze(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new Ze(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ca[0]=t[0],Ca[1]=t[1],Ca[2]=t[2],Ca[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ca,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?1:0)<<16,Ma[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Ma,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Fa[0]=t[0],Fa[1]=t[1],Fa[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Fa,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=i.origin,a=n[0],l=n[1],A=n[2],h=Ea,c=r.matrix,u=this.model.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)h[0]=o[e],h[1]=o[e+1],h[2]=o[e+2],d.decompressPosition(h,p),d.transformPoint3(c,h),d.transformPoint3(u,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Oa[0]=t[0],Oa[1]=t[4],Oa[2]=t[8],Oa[3]=t[12],this._state.modelMatrixCol0Buf.setData(Oa,i),Oa[0]=t[1],Oa[1]=t[5],Oa[2]=t[9],Oa[3]=t[13],this._state.modelMatrixCol1Buf.setData(Oa,i),Oa[0]=t[2],Oa[1]=t[6],Oa[2]=t[10],Oa[3]=t[14],this._state.modelMatrixCol2Buf.setData(Oa,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Ia,p=Da;u.set(h?d.subVec3(t,h,Sa):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=Ta,g=Ra,m=La;let _=!1,v=0;const b=Ua;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:x}=n.geometry;if(d.decompressPosition(f,x),d.decompressPosition(g,x),d.decompressPosition(m,x),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class Na extends Ko{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class Qa extends Na{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Va extends Na{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Ha=d.vec3(),ja=d.vec3(),Ga=d.vec3(),za=d.vec3(),Wa=d.mat4();class Ka extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ha;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ja;if(l){const e=Ga;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Wa),m=za,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Xa=d.vec3(),Ja=d.vec3(),Ya=d.vec3(),Za=d.vec3(),qa=d.mat4();class $a extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Xa;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ja;if(l){const e=Ya;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,qa),m=Za,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class el{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Qa(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Va(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ka(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new $a(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const tl={};class il{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class sl{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=tl[t];return i||(i=new el(e),tl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete tl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new il(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Tn(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new Ze(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&ee),l=!!(t&oe),A=!!(t&ne),h=!!(t&ae),c=!!(t&ie),u=!!(t&te);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,p=!a||u?Qo.NOT_RENDERED:h?Qo.SILHOUETTE_SELECTED:A?Qo.SILHOUETTE_HIGHLIGHTED:l?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let f=a&&!u&&c?Qo.PICK:Qo.NOT_RENDERED;const g=t&se?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class rl extends Ko{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class ol extends rl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class nl extends rl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const al=d.vec3(),ll=d.vec3(),Al=d.vec3();d.vec3();const hl=d.mat4();class cl extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=al;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ll;if(l){const e=d.transformPoint3(h,l,Al);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,hl),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ul=d.vec3(),dl=d.vec3(),pl=d.vec3();d.vec3();const fl=d.mat4();class gl extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=ul;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=dl;if(l){const e=d.transformPoint3(h,l,pl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,fl),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class ml{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new gl(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ol(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new nl(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new gl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const _l={};const vl=new Uint8Array(4),bl=new Float32Array(1),yl=new Float32Array(3),xl=new Float32Array(4);class Bl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=_l[t];return i||(i=new ml(e),_l[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete _l[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new Ze(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new Ze(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new Ze(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Ze(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";vl[0]=t[0],vl[1]=t[1],vl[2]=t[2],vl[3]=t[3],this._state.colorsBuf.setData(vl,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?255:0)<<16,bl[0]=d,this._state.flagsBuf.setData(bl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],this._state.offsetsBuf.setData(yl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;xl[0]=t[0],xl[1]=t[4],xl[2]=t[8],xl[3]=t[12],this._state.modelMatrixCol0Buf.setData(xl,i),xl[0]=t[1],xl[1]=t[5],xl[2]=t[9],xl[3]=t[13],this._state.modelMatrixCol1Buf.setData(xl,i),xl[0]=t[2],xl[1]=t[6],xl[2]=t[10],xl[3]=t[14],this._state.modelMatrixCol2Buf.setData(xl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class wl extends Ko{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Pl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Cl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Ml extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class El extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Fl extends wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Il=d.vec3(),Dl=d.vec3(),Sl=d.vec3(),Tl=d.vec3(),Rl=d.mat4();class Ll extends Ko{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Il;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Dl;if(l){const e=Sl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Rl),m=Tl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ul=d.vec3(),Ol=d.vec3(),kl=d.vec3(),Nl=d.vec3(),Ql=d.mat4();class Vl extends Ko{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=Ul;let g,m;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ol;if(l){const e=kl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,Ql),m=Nl,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Hl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Pl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Cl(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ml(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new El(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Fl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ll(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Vl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const jl={};class Gl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]}}class zl{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=jl[t];return i||(i=new Hl(e),jl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete jl[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Gl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.color,o=t.colorsCompressed,n=t.colors,a=t.pickColor,l=this._buffer,A=l.positions.length/3;let h;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(let e=0,t=s.length;e<t;e++)l.positions.push(s[e]);h=s.length/3}else{if(!i)throw"positions expected";h=i.length/3,i.length,l.positions.length;for(let e=0,t=i.length;e<t;e++)l.positions.push(i[e])}if(o)for(let e=0,t=o.length;e<t;e++)l.colors.push(o[e]);else if(n)for(let e=0,t=n.length;e<t;e++)l.colors.push(255*n[e]);else if(r){const e=r[0],t=r[1],i=r[2],s=1;for(let r=0;r<h;r++)l.colors.push(e),l.colors.push(t),l.colors.push(i),l.colors.push(s)}{const e=l.pickColors.length;for(let t=e,i=e+4*h;t<i;t+=4)l.pickColors.push(a[0]),l.pickColors.push(a[1]),l.pickColors.push(a[2]),l.pickColors.push(a[3])}if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<h;e++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);const c=this._portions.length/2;return this._portions.push(A),this._portions.push(h),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Tn(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s);let o=!1;e.flagsBuf=new Ze(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new Ze(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&ee),l=!!(t&oe),A=!!(t&ne),h=!!(t&ae),c=!!(t&ie),u=!!(t&te);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,p=!a||u?Qo.NOT_RENDERED:h?Qo.SILHOUETTE_SELECTED:A?Qo.SILHOUETTE_HIGHLIGHTED:l?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let f=a&&!u&&c?Qo.PICK:Qo.NOT_RENDERED;const g=t&se?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class Wl extends Ko{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class Kl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Xl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Jl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Yl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Zl extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ql extends Wl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class $l extends Wl{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const eA=d.vec3(),tA=d.vec3(),iA=d.vec3();d.vec3();const sA=d.mat4();class rA extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=eA;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=tA;if(l){const e=d.transformPoint3(h,l,iA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,sA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oA=d.vec3(),nA=d.vec3(),aA=d.vec3();d.vec3();const lA=d.mat4();class AA extends Ko{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const f=oA;let g;if(f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=nA;if(l){const e=d.transformPoint3(h,l,aA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],g=J(p,t,lA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(g,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class hA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Kl(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Xl(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ql(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Jl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Yl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Zl(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new $l(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new rA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new AA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const cA={};const uA=new Uint8Array(4),dA=new Float32Array(1),pA=new Float32Array(3),fA=new Float32Array(4);class gA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=cA[t];return i||(i=new hA(e),cA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete cA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new mt({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new Ze(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new Ze(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new Ze(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new Ze(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";uA[0]=t[0],uA[1]=t[1],uA[2]=t[2],this._state.colorsBuf.setData(uA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&ee),r=!!(t&oe),o=!!(t&ne),n=!!(t&ae),a=!!(t&le),l=!!(t&ie),A=!!(t&te);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,c=!s||A?Qo.NOT_RENDERED:n?Qo.SILHOUETTE_SELECTED:o?Qo.SILHOUETTE_HIGHLIGHTED:r?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let u=0;u=!s||A?Qo.NOT_RENDERED:n?Qo.EDGES_SELECTED:o?Qo.EDGES_HIGHLIGHTED:r?Qo.EDGES_XRAYED:a?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Qo.PICK:Qo.NOT_RENDERED)<<12,d|=(t&se?255:0)<<16,dA[0]=d,this._state.flagsBuf.setData(dA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(pA[0]=t[0],pA[1]=t[1],pA[2]=t[2],this._state.offsetsBuf.setData(pA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;fA[0]=t[0],fA[1]=t[4],fA[2]=t[8],fA[3]=t[12],this._state.modelMatrixCol0Buf.setData(fA,i),fA[0]=t[1],fA[1]=t[5],fA[2]=t[9],fA[3]=t[13],this._state.modelMatrixCol1Buf.setData(fA,i),fA[0]=t[2],fA[1]=t[6],fA[2]=t[10],fA[3]=t[14],this._state.modelMatrixCol2Buf.setData(fA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const mA=d.vec3(),_A=d.vec3(),vA=d.mat4();class bA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=mA;if(g){const t=d.transformPoint3(c,A,_A);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,vA)}else f=p;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,mA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class yA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new bA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const xA={};class BA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class wA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class PA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const CA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(CA,null,4));let e=0;Object.keys(CA).forEach((t=>{t.startsWith("size")&&(e+=CA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/CA.totalLines).toFixed(2)}`);let t={};Object.keys(CA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(CA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class MA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);CA.sizeDataColorsAndFlags+=l.byteLength,CA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);CA.sizeDataTextureOffsets+=r.byteLength,CA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);CA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);CA.sizeDataPositionDecodeMatrices+=o.byteLength,CA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);CA.sizeDataTextureIndices+=o.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);CA.sizeDataTexturePositions+=n.byteLength,CA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),CA.sizeDataTexturePortionIds+=o.byteLength,CA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}}const EA=new En,FA=EA.maxDataTextureHeight,IA=new Float32Array(16),DA=new Uint8Array(4),SA=new Float32Array(3);let TA=0;const RA=d.identityMat4();class LA{constructor(e,t){CA.numberOfLayers++,this._layerNumber=TA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=xA[t];return i||(i=new yA(e),xA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete xA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new BA,this._dataTextureState=new wA,this._dataTextureGenerator=new MA,this._state=new mt({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&CA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*FA||t+r>4096*FA)&&CA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*FA&&t+r<=4096*FA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;CA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,CA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||RA),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,CA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,CA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,CA.totalLines32Bits+=t.numLines),CA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,CA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;DA[0]=t[0],DA[1]=t[1],DA[2]=t[2],DA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(DA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,DA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&ee),o=!!(t&oe),n=!!(t&te);let a,l;a=!r||n||o?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,l=!r||n?Qo.NOT_RENDERED:!!(t&ae)?Qo.SILHOUETTE_SELECTED:!!(t&ne)?Qo.SILHOUETTE_HIGHLIGHTED:o?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let A=r&&!n&&!!(t&ie)?Qo.PICK:Qo.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;DA[0]=a,DA[1]=l,DA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(DA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,DA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&se?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;DA[0]=s,DA[1]=0,DA[2]=1,DA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(DA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,DA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;SA[0]=t[0],SA[1]=t[1],SA[2]=t[2],i.texturePerObjectOffsets._textureData.set(SA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,SA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;IA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(IA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,IA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const UA=d.vec3(),OA=d.vec3(),kA=d.vec3();d.vec3();const NA=d.vec4(),QA=d.mat4();class VA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=UA;if(g){const t=d.transformPoint3(c,A,OA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,QA),f=kA,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,UA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;NA[0]=t,NA[1]=r,NA[2]=s.blendCutoff,NA[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,NA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const HA=new Float32Array([1,1,1]),jA=d.vec3(),GA=d.vec3(),zA=d.vec3();d.vec3();const WA=d.mat4();class KA{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o,p=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=jA;if(A){const t=GA;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,WA),g=zA,g[0]=r.eye[0]-e[0],g[1]=r.eye[1]-e[1],g[2]=r.eye[2]-e[2]}else f=p,g=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Qo.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,HA);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,jA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const XA=new Float32Array([0,0,0,1]),JA=d.vec3(),YA=d.vec3();d.vec3();const ZA=d.mat4();class qA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=JA;if(g){const t=d.transformPoint3(c,A,YA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,ZA)}else f=p;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Qo.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Qo.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,XA);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,JA);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const $A=d.vec3(),eh=d.vec3(),th=d.mat4();class ih{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=$A;if(g){const t=d.transformPoint3(c,A,eh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,th)}else f=p;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,$A);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const sh=d.vec3(),rh=d.vec3(),oh=d.vec3(),nh=d.mat4();class ah{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s;let p,f;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=sh;if(g){const t=d.transformPoint3(c,A,rh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(o.viewMatrix,e,nh),f=oh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=o.viewMatrix,f=o.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.project.far+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,sh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lh=d.vec3(),Ah=d.vec3(),hh=d.vec3();d.vec3();const ch=d.mat4();class uh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=e.pickViewMatrix||o.viewMatrix;let f,g;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=lh;if(A){const e=Ah;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],f=J(p,t,ch),g=hh,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=p,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),r.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,lh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const dh=d.vec3(),ph=d.vec3(),fh=d.vec3(),gh=d.vec3();d.vec3();const mh=d.mat4();class _h{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=dh;let m,_;g[0]=d.safeInv(p[3]-p[0])*d.MAX_INT,g[1]=d.safeInv(p[4]-p[1])*d.MAX_INT,g[2]=d.safeInv(p[5]-p[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(g[0]),e.snapPickCoordinateScale[1]=d.safeInv(g[1]),e.snapPickCoordinateScale[2]=d.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=ph;if(v){const e=d.transformPoint3(c,A,fh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(f,t,mh),_=gh,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,dh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vh=d.vec3(),bh=d.vec3(),yh=d.vec3(),xh=d.vec3();d.vec3();const Bh=d.mat4();class wh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=t.aabb,f=e.pickViewMatrix||o.viewMatrix,g=vh;let m,_;g[0]=d.safeInv(p[3]-p[0])*d.MAX_INT,g[1]=d.safeInv(p[4]-p[1])*d.MAX_INT,g[2]=d.safeInv(p[5]-p[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(g[0]),e.snapPickCoordinateScale[1]=d.safeInv(g[1]),e.snapPickCoordinateScale[2]=d.safeInv(g[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const t=bh;if(v){const e=yh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(f,t,Bh),_=xh,_[0]=o.eye[0]-t[0],_[1]=o.eye[1]-t[1],_[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=f,_=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,_),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,g),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),x=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*x,o=s.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<x){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,vh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ph=d.vec3(),Ch=d.vec3(),Mh=d.vec3();d.vec3();const Eh=d.mat4();class Fh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=s,p=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let f,g;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Ph;if(A){const t=Ch;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],f=J(p,e,Eh),g=Mh,g[0]=o.eye[0]-e[0],g[1]=o.eye[1]-e[1],g[2]=o.eye[2]-e[2]}else f=p,g=o.eye;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,f),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Ph);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ih=d.vec3(),Dh=d.vec3(),Sh=d.vec3();d.vec3();const Th=d.mat4();class Rh{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Ih;if(g){const t=d.transformPoint3(c,A,Dh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,Th),f=Sh,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Ih);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Lh=d.vec3(),Uh=d.vec3(),Oh=d.vec3();d.vec3();const kh=d.mat4();class Nh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h,rotationMatrixConjugate:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const g=0!==l[0]||0!==l[1]||0!==l[2],m=0!==A[0]||0!==A[1]||0!==A[2];if(g||m){const e=Lh;if(g){const t=Uh;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],p=J(u,e,kh),f=Oh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),v=r._sectionPlanesState.sectionPlanes.length;if(_>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,o=s.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const r=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,r?1:0),r){const i=e[t];if(l){const e=$(i.dist,i.dir,l,Lh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Ve.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Qh=d.vec3(),Vh=d.vec3(),Hh=d.vec3();d.vec3(),d.vec4();const jh=d.mat4();class Gh{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c,rotationMatrixConjugate:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let p,f;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){const e=Qh;if(g){const t=d.transformPoint3(c,A,Vh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(r.viewMatrix,e,jh),f=Hh,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=r.viewMatrix,f=r.eye;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),v=s._sectionPlanesState.sectionPlanes.length;if(_>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*v,r=o.renderFlags;for(let t=0;t<_;t++){const s=this._uSectionPlanes[t];if(s)if(t<v){const o=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,o?1:0),o){const i=e[t];if(A){const e=$(i.dist,i.dir,A,Qh);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new Ye(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class zh{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new KA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ah(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new uh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new Gh(this._scene)),this._snapRenderer||(this._snapRenderer=new _h(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new wh(this._scene)),this._snapRenderer||(this._snapRenderer=new _h(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new VA(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new VA(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new KA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Rh(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Nh(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new qA(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ih(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ah(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Gh(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Gh(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new uh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new _h(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new wh(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Fh(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const Wh={};class Kh{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class Xh{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const Jh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Jh,null,4));let e=0;Object.keys(Jh).forEach((t=>{t.startsWith("size")&&(e+=Jh[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/Jh.totalPolygons).toFixed(2)}`);let t={};Object.keys(Jh).forEach((i=>{i.startsWith("size")&&(t[i]=`${(Jh[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class Yh{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);Jh.sizeDataColorsAndFlags+=h.byteLength,Jh.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);Jh.sizeDataTextureOffsets+=r.byteLength,Jh.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);Jh.sizeDataPositionDecodeMatrices+=o.byteLength,Jh.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);Jh.sizeDataTextureIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);Jh.sizeDataTextureEdgeIndices+=o.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);Jh.sizeDataTexturePositions+=n.byteLength,Jh.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),Jh.sizeDataTexturePortionIds+=o.byteLength,Jh.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new PA(e,n,s,r)}}const Zh=new En,qh=Zh.maxDataTextureHeight,$h=d.vec4(),ec=new Float32Array(16),tc=new Uint8Array(4),ic=new Float32Array(3);let sc=0;const rc=d.identityMat4();class oc{constructor(e,t){Jh.numberOfLayers++,this._layerNumber=sc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=Wh[t];return i||(i=new zh(e),Wh[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Wh[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new Kh,this._dtxState=new Xh,this._dtxTextureFactory=new Yh,this._state=new mt({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&Jh.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*qh||t+r>4096*qh)&&Jh.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*qh&&t+r<=4096*qh}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;Jh.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;Jh.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,Jh.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||rc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,Jh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,Jh.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,Jh.totalPolygons32Bits+=t.numTriangles),Jh.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,Jh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,Jh.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,Jh.totalEdges32Bits+=t.numEdges),Jh.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,Jh.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&ee&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&ne&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&oe&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ae&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&se&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&le&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ie&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&te&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&le?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&se?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ie?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;if(tc[0]=t[0],tc[1]=t[1],tc[2]=t[2],tc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(tc,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,tc)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&ee),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&le),A=!!(t&ie),h=!!(t&te);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Qo.NOT_RENDERED:i?Qo.COLOR_TRANSPARENT:Qo.COLOR_OPAQUE,u=!r||h?Qo.NOT_RENDERED:a?Qo.SILHOUETTE_SELECTED:n?Qo.SILHOUETTE_HIGHLIGHTED:o?Qo.SILHOUETTE_XRAYED:Qo.NOT_RENDERED;let d=0;d=!r||h?Qo.NOT_RENDERED:a?Qo.EDGES_SELECTED:n?Qo.EDGES_HIGHLIGHTED:o?Qo.EDGES_XRAYED:l?i?Qo.EDGES_COLOR_TRANSPARENT:Qo.EDGES_COLOR_OPAQUE:Qo.NOT_RENDERED;let p=r&&!h&&A?Qo.PICK:Qo.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;tc[0]=c,tc[1]=u,tc[2]=d,tc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(tc,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,tc))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&se?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;tc[0]=s,tc[1]=0,tc[2]=1,tc[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(tc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,tc))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ic[0]=t[0],ic[1]=t[1],ic[2]=t[2],i.texturePerObjectOffsets._textureData.set(ic,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,ic))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;ec.set(t),i.texturePerObjectInstanceMatrices._textureData.set(ec,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,ec))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=$h;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.transformPoint4(this.model.worldMatrix,u),d.transformPoint4(this.model.worldMatrix,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Qo.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Qo.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Qo.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Qo.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Qo.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Qo.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Qo.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Qo.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Qo.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Qo.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Qo.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class nc{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class ac{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const lc={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Ac{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const hc=new Ac;class cc{constructor(e){this.manager=void 0!==e?e:hc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const uc={};class dc extends cc{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=lc.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==uc[e])return void uc[e].push({onLoad:t,onProgress:i,onError:s});uc[e]=[],uc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=uc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{lc.add(e,t);const i=uc[e];delete uc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=uc[e];if(void 0===i)throw this.manager.itemError(e),t;delete uc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class pc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let fc=0;class gc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new pc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new dc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new dc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=gc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(gc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(gc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(gc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),fc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),fc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),fc--}}gc.BasisFormat={ETC1S:0,UASTC_4x4:1},gc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},gc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},gc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const mc={};function _c(e){const t=e.scene.id;let i=mc[t];return i||(i=new gc({viewer:e}),mc[t]=i,e.scene.on("destroyed",(()=>{delete mc[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@ class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let Bc=null;function wc(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=Bc[i],o=Bc[i+1],n=Bc[i+2]),c=Math.min(a=Bc[s],l=Bc[s+1],A=Bc[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let Pc=null;function Cc(e,t){let i=Pc[2*e]-Pc[2*t];return 0!==i?i:Pc[2*e+1]-Pc[2*t+1]}function Mc(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;Bc=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)Bc[i]=e[i]>>t;i.sort(wc);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}Pc=new Int32Array(e),t.sort(Cc);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Ec=d.vec4(4),Fc=d.vec4(),Ic=d.vec4(),Dc=d.vec3([1,0,0]),Sc=d.vec3([0,1,0]),Tc=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const Rc=d.identityMat4();class Lc{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Rc),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Ec[0]=e[0],Ec[1]=e[1],Ec[2]=e[2],Ec[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Ec,Fc),d.mulQuaternions(this.quaternion,Fc,Ic),this.quaternion=Ic,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Ec[0]=e[0],Ec[1]=e[1],Ec[2]=e[2],Ec[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Ec,Fc),d.mulQuaternions(Fc,this.quaternion,Fc),this}rotateX(e){return this.rotate(Dc,e)}rotateY(e){return this.rotate(Sc,e)}rotateZ(e){return this.rotate(Tc,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const Uc=d.vec3(),Oc=d.OBB3(),kc=d.vec4(),Nc=d.vec3([1,1,1]),Qc=d.vec3([0,0,0]);d.vec3([0,0,0]);const Vc=d.identityQuaternion(),Hc=d.identityMat4(),jc=new Uint8Array([255,255,255]);class Gc extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(No++,ko),this._textureTranscoder=t.textureTranscoder||_c(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new ur,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new ac({id:"defaultColorTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new ac({id:"defaultMetalRoughTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new ac({id:"defaultNormalsTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new ac({id:"defaultEmissiveTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new ac({id:"defaultOcclusionTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new nc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Hc),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Rn(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Rn(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Tn(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,5):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Yt.getUVBounds(e.uv),i=Yt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Yr({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new ac({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new nc({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new Lc({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Nc,i=e.position||Qc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",kc),e.meshMatrix=d.composeMat4(i,kc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Vc,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Rn(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];Z(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Tn(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),d.OBB3ToAABB3(Oc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,2):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=zc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];Z(e.positions,t,Uc)&&(e.positions=t,e.origin=d.addVec3(e.origin,Uc,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),d.OBB3ToAABB3(Oc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,2):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Nc,i=e.position||Qc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",kc),e.meshMatrix=d.composeMat4(i,kc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Vc,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),e.aabb=d.OBB3ToAABB3(Oc,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=zc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new Oo(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new oc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new LA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Kn({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new sl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new zl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new ka({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new ka({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Bl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new gA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=ee),this._pickable&&!1!==e.pickable&&(t|=ie),this._culled&&!1!==e.culled&&(t|=te),this._clippable&&!1!==e.clippable&&(t|=se),this._collidable&&!1!==e.collidable&&(t|=re),this._edges&&!1!==e.edges&&(t|=le),this._xrayed&&!1!==e.xrayed&&(t|=oe),this._highlighted&&!1!==e.highlighted&&(t|=ne),this._selected&&!1!==e.selected&&(t|=ae),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ce(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==No&&(No--,0===No&&ko._clear()),super.destroy()}}function zc(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=xc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Mc({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Wc extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new Gc(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Kc=d.vec3(),Xc=d.vec3(),Jc=d.vec3(),Yc=d.vec3();class Zc extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=eu(n),a=eu(a),l=eu(l));const A=qc(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:qc(n),camera_up_vector:qc(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:qc(n),camera_up_vector:qc(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=eu(a),n=eu(n)),d.addVec3(a,s),a=qc(a),n=qc(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=eu(r),n=eu(n),a=eu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:qc(r),normal:qc(n),up:qc(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,x=v.filter((e=>!b[e])),B=t.selectedObjectIds;return e.defaultInvisible||y.length<x.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(B),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=$c(e.location,Kc),i=$c(e.direction,Kc);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=tu(t),i=tu(i)),new Ir(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Wc(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=$c(e.location,Xc),n=$c(e.normal,Jc),a=$c(e.up,Yc),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=tu(o),n=tu(n),a=tu(a)),new vo(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=$c(e.perspective_camera.camera_view_point,Kc),A=$c(e.perspective_camera.camera_direction,Kc),h=$c(e.perspective_camera.camera_up_vector,Kc),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=$c(e.orthogonal_camera.camera_view_point,Kc),A=$c(e.orthogonal_camera.camera_direction,Kc),h=$c(e.orthogonal_camera.camera_up_vector,Kc),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=tu(a),A=tu(A),h=tu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,Kc)}else A=d.addVec3(a,A,Kc);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function qc(e){return{x:e[0],y:e[1],z:e[2]}}function $c(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function eu(e){return new Float64Array([e[0],-e[2],e[1]])}function tu(e){return new Float64Array([e[0],e[2],-e[1]])}const iu=d.vec3(),su=d.vec3(),ru=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class ou extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new me(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new me(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new be(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new be(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new be(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new be(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new ye(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new ye(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new ye(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new ye(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this.useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{const e=d.subVec3(this._targetWorld,this._originWorld,su);this._factors=d.transformVec3(this._axesBasis,e),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,iu))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(ru(r[0],r[1],r[2],r[3])),i=Math.abs(ru(r[2],r[3],r[4],r[5])),s=Math.abs(ru(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(d.lenVec3(d.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],iu))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class nu extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class au extends nu{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div");e.setAttribute("id","myMarkerDiv");const t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){if(this._markerDiv){const e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),u=d.vec2(),p=e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,u),this._markerDiv.style.left=u[0]-5+"px",this._markerDiv.style.top=u[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const f=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class lu extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new au(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new ou(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Au extends nu{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(i=>{this.pointerCircle.stop();const r=i.touches.length;if(1!==r||1!==i.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const n=i.touches[0],l=n.clientX,h=n.clientY;if(n.identifier!==A)return;let c,u;switch(a.set([l,h]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),c=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),c&&c.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=c.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(c.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=c.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:c.worldPos,entity:c.entity},target:{worldPos:c.worldPos,entity:c.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(u=t.pick({canvasPos:a,pickSurface:!0}),u&&u.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=u.canvasPos,this.pointerLens.snapped=!1),s.set(u.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=u.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),c=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=c.worldPos,this._currentDistanceMeasurement.target.entity=c.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(u=t.pick({canvasPos:a,pickSurface:!0}),u&&u.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=u.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=u.worldPos,this._currentDistanceMeasurement.target.entity=u.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class hu extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=ve({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class cu extends hu{constructor(e,t){super(e,t,!0,!1)}}class uu extends hu{constructor(e,t){super(e,t,!1,!0)}}class du extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class pu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class fu{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=gu(e,i);return s?t?mu(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=gu(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=mu(r,[t]),i&&(r=mu(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function gu(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function mu(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class _u extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class vu extends _u{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const bu=d.vec3();class yu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new vu(this),this._lookCurve=new vu(this),this._upCurve=new vu(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,bu),t.look=this._lookCurve.getPoint(e,bu),t.up=this._upCurve.getPoint(e,bu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const xu=d.vec3(),Bu=d.vec3(),wu=d.vec3(),Pu=d.vec3(),Cu=d.vec3();class Mu extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,xu),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Cu):d.subVec3(t.eye,t.look,Cu),d.normalizeVec3(Cu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,xu)),d.mulVec3Scalar(Cu,s),t.eye=d.addVec3(o,Cu,xu),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Mu._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Cu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,wu),s.look=d.subVec3(wu,Cu,Bu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Bu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Pu)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,wu),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Bu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Pu)),this._projection2){const t="ortho"===this._projection2?Mu._easeOutExpo(e,0,1,1):Mu._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Eu extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Mu(this),this._t=0,this.state=Eu.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Eu.SCRUBBING:return;case Eu.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Eu.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Eu.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Eu.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Eu.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Eu.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Eu.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Eu.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Eu.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Eu.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Eu.STOPPED=0,Eu.SCRUBBING=1,Eu.PLAYING=2,Eu.PLAYING_TO=3;const Fu=d.vec3(),Iu=d.vec3();d.vec3();const Du=d.vec3([0,-1,0]),Su=d.vec4([0,0,0,1]);class Tu extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new io(this),this._plane=new Br(this,{geometry:new $t(this,po({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new Br(this,{geometry:new $t(this,uo({size:1,divisions:10})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Qr(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Y(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Fu);const s=-d.dotVec3(i,Fu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Iu),d.vec3PairToQuaternion(Du,e,Su),this._node.quaternion=Su}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class Ru extends Nt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new mt({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new ct(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function Lu(e){if(!Uu(e.width)||!Uu(e.height)){const t=document.createElement("canvas");t.width=Ou(e.width),t.height=Ou(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Uu(e){return 0==(e&e-1)}function Ou(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class ku extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new mt({texture:new Yr({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Lu(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Yr({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class Nu extends ku{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class Qu extends ku{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class Vu extends pe{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new io(this,{src:t.src}),this._geometry=new $t(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new Br(this,{geometry:this._geometry,material:new ri(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class Hu{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const ju=d.vec3();class Gu{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(ju[0]=this.objectsColorize[3*e+0],ju[1]=this.objectsColorize[3*e+1],ju[2]=this.objectsColorize[3*e+2],t.colorize=ju),c&&(t.opacity=this.objectsOpacity[e]))}}}const zu=d.vec3();class Wu{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(zu[0]=this.objectsColorize[3*c+0],zu[1]=this.objectsColorize[3*c+1],zu[2]=this.objectsColorize[3*c+2],t.colorize=zu):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Ku extends _u{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class Xu extends _u{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class Ju extends _u{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class Yu extends Gc{constructor(e,t={}){super(e,t)}}class Zu extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new Br(this,{geometry:new $t(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new ri(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new io(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class qu{transcode(e,t,i={}){}destroy(){}}const $u=d.vec4(),ed=d.vec4(),td=d.vec3(),id=d.vec3(),sd=d.vec3(),rd=d.vec4(),od=d.vec4(),nd=d.vec4();class ad{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,td);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,rd),o=d.subVec3(s,r.eye,nd),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,td),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,id)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,rd);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,od),o=d.subVec3(s,e,nd),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,td)),-i,id),a=d.addVec3(o,n,sd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,$u,ed,t),t}destroy(){}}const ld=d.vec3(),Ad=d.vec3(),hd=d.vec3(),cd=d.vec4(),ud=d.vec4(),dd=d.vec4();class pd{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Y(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new no(this._scene,Cr({radius:s})),this._pivotSphere=new Br(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Y(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new ri(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,ld)),i=d.cross3Vec3(t,e.worldUp,Ad);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=cd;t.project.unproject(e,a,ud,dd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,ld)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,Ad),hd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class fd{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new je;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const gd=d.vec2();class md{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,u=0,p=!1;const f=d.vec3();let g=!0;const m=this._scene.canvas.canvas,_=[];function v(e=!0){m.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,f.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),m.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],u=o[3],g=s.pointerCanvasPos[0],m=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:g-A,y=document.pointerLockElement?t.movementY:m-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?d.lenVec3(d.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/u,r.panDeltaY+=1.5*y*i/u}else r.panDeltaX+=.5*t.ortho.scale*(b/u),r.panDeltaY+=.5*t.ortho.scale*(y/u)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=y/u*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=y/u*(1.5*i.dragRotationRate)));A=g,h=m}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,gd);const i=gd[0],s=gd[1];Math.abs(i-c)<3&&Math.abs(s-u)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:gd,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let y=null;m.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel))return;const t=performance.now()/1e3;var o=null!==y?t-y:0;y=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const _d=d.vec3(),vd=d.vec3(),bd=d.vec3(),yd=d.vec3(),xd=d.vec3(),Bd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class wd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,_d);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;Bd.orthoScale=g,n?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldRight,f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):a?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldForward,f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):l?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldRight,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):A?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldForward,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):h?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldUp,f,vd),xd)),Bd.look.set(_d),Bd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,bd),yd))):c&&(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldUp,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,bd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(_d),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Bd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Bd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Pd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Cd{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Md=d.vec3();class Ed{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(d.lenVec3(d.subVec3(c,e.camera.eye,Md)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const u=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==u){if(t=u<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.pan([0,0,u]),o.ortho.scale=o.ortho.scale-u;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Fd{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Id(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Id(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Id(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Dd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Sd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Dd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)Dd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Dd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Dd(t,l),Dd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Dd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Td=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Rd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Td(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Td(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Td(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(Td(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Ld extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new fd(this,this._configs),pivotController:new pd(i,this._configs),panController:new ad(i),cameraFlight:new Mu(this,{duration:.5})},this._handlers=[new Fd(this.scene,this._controllers,this._configs,this._states,this._updates),new Sd(this.scene,this._controllers,this._configs,this._states,this._updates),new md(this.scene,this._controllers,this._configs,this._states,this._updates),new wd(this.scene,this._controllers,this._configs,this._states,this._updates),new Pd(this.scene,this._controllers,this._configs,this._states,this._updates),new Rd(this.scene,this._controllers,this._configs,this._states,this._updates),new Cd(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Ed(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Ud{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Od{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Ud(i.name,i.value,i.type,i.valueType,i.description))}}}}class kd{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Nd{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new Od({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new kd({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class Qd{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Nd({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Vd(t):null,n=i&&i.length>0?Vd(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Vd(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let Bc=null;function wc(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=Bc[i],o=Bc[i+1],n=Bc[i+2]),c=Math.min(a=Bc[s],l=Bc[s+1],A=Bc[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let Pc=null;function Cc(e,t){let i=Pc[2*e]-Pc[2*t];return 0!==i?i:Pc[2*e+1]-Pc[2*t+1]}function Mc(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;Bc=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)Bc[i]=e[i]>>t;i.sort(wc);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}Pc=new Int32Array(e),t.sort(Cc);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Ec=d.vec4(4),Fc=d.vec4(),Ic=d.vec4(),Dc=d.vec3([1,0,0]),Sc=d.vec3([0,1,0]),Tc=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const Rc=d.identityMat4();class Lc{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||Rc),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Ec[0]=e[0],Ec[1]=e[1],Ec[2]=e[2],Ec[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Ec,Fc),d.mulQuaternions(this.quaternion,Fc,Ic),this.quaternion=Ic,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Ec[0]=e[0],Ec[1]=e[1],Ec[2]=e[2],Ec[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Ec,Fc),d.mulQuaternions(Fc,this.quaternion,Fc),this}rotateX(e){return this.rotate(Dc,e)}rotateY(e){return this.rotate(Sc,e)}rotateZ(e){return this.rotate(Tc,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const Uc=d.vec3(),Oc=d.OBB3(),kc=d.vec4(),Nc=d.vec3([1,1,1]),Qc=d.vec3([0,0,0]);d.vec3([0,0,0]);const Vc=d.identityQuaternion(),Hc=d.identityMat4(),jc=new Uint8Array([255,255,255]);class Gc extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(No++,ko),this._textureTranscoder=t.textureTranscoder||_c(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new ur,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new ac({id:"defaultColorTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new ac({id:"defaultMetalRoughTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new ac({id:"defaultNormalsTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new ac({id:"defaultEmissiveTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new ac({id:"defaultOcclusionTexture",texture:new Yr({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new nc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Hc),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}get rotationMatrixConjugate(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}get viewMatrix(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Rn(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Rn(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Tn(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,5):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=Yt.getUVBounds(e.uv),i=Yt.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Yr({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;t.crossOrigin="Anonymous",l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new ac({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new nc({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new Lc({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Nc,i=e.position||Qc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",kc),e.meshMatrix=d.composeMat4(i,kc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Vc,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Rn(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];Z(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=Tn(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),d.OBB3ToAABB3(Oc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,2):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=zc(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];Z(e.positions,t,Uc)&&(e.positions=t,e.origin=d.addVec3(e.origin,Uc,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),Yt.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),d.OBB3ToAABB3(Oc,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=jt(e.positions,e.indices,null,2):e.edgeIndices=jt(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Nc,i=e.position||Qc;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",kc),e.meshMatrix=d.composeMat4(i,kc,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||Vc,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,Oc),d.transformOBB3(e.meshMatrix,Oc),e.aabb=d.OBB3ToAABB3(Oc,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=zc(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):jc,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new Oo(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new oc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new LA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Kn({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new sl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new zl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new ka({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new ka({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Bl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new gA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;this._visible&&!1!==e.visible&&(t|=ee),this._pickable&&!1!==e.pickable&&(t|=ie),this._culled&&!1!==e.culled&&(t|=te),this._clippable&&!1!==e.clippable&&(t|=se),this._collidable&&!1!==e.collidable&&(t|=re),this._edges&&!1!==e.edges&&(t|=le),this._xrayed&&!1!==e.xrayed&&(t|=oe),this._highlighted&&!1!==e.highlighted&&(t|=ne),this._selected&&!1!==e.selected&&(t|=ae),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new ce(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==No&&(No--,0===No&&ko._clear()),super.destroy()}}function zc(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=xc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Mc({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Wc extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new Gc(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Kc=d.vec3(),Xc=d.vec3(),Jc=d.vec3(),Yc=d.vec3();class Zc extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=eu(n),a=eu(a),l=eu(l));const A=qc(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:qc(n),camera_up_vector:qc(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:qc(n),camera_up_vector:qc(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=eu(a),n=eu(n)),d.addVec3(a,s),a=qc(a),n=qc(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=eu(r),n=eu(n),a=eu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:qc(r),normal:qc(n),up:qc(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,x=v.filter((e=>!b[e])),B=t.selectedObjectIds;return e.defaultInvisible||y.length<x.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(x),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(B),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=$c(e.location,Kc),i=$c(e.direction,Kc);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=tu(t),i=tu(i)),new Ir(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Wc(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=$c(e.location,Xc),n=$c(e.normal,Jc),a=$c(e.up,Yc),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=tu(o),n=tu(n),a=tu(a)),new vo(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=$c(e.perspective_camera.camera_view_point,Kc),A=$c(e.perspective_camera.camera_direction,Kc),h=$c(e.perspective_camera.camera_up_vector,Kc),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=$c(e.orthogonal_camera.camera_view_point,Kc),A=$c(e.orthogonal_camera.camera_direction,Kc),h=$c(e.orthogonal_camera.camera_up_vector,Kc),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=tu(a),A=tu(A),h=tu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,Kc)}else A=d.addVec3(a,A,Kc);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function qc(e){return{x:e[0],y:e[1],z:e[2]}}function $c(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function eu(e){return new Float64Array([e[0],-e[2],e[1]])}function tu(e){return new Float64Array([e[0],e[2],-e[1]])}const iu=d.vec3(),su=d.vec3(),ru=(e,t,i,s)=>{var r=e-i,o=t-s;return Math.sqrt(r*r+o*o)};class ou extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={};var i=this.plugin.viewer.scene;this._originWorld=d.vec3(),this._targetWorld=d.vec3(),this._wp=new Float64Array(24),this._vp=new Float64Array(24),this._pp=new Float64Array(24),this._cp=new Float64Array(8),this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1,this._color=t.color||this.plugin.defaultColor;const s=t.onMouseOver?e=>{t.onMouseOver(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,r=t.onMouseLeave?e=>{t.onMouseLeave(e,this),this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,o=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},n=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},a=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};this._originDot=new me(i,t.origin,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._targetDot=new me(i,t.target,this._container,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthWire=new be(this._container,{color:this._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisWire=new be(this._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisWire=new be(this._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisWire=new be(this._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._lengthLabel=new ye(this._container,{fillColor:this._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._xAxisLabel=new ye(this._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._yAxisLabel=new ye(this._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._zAxisLabel=new ye(this._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:s,onMouseLeave:r,onMouseWheel:A,onMouseDown:o,onMouseUp:n,onMouseMove:a,onContextMenu:l}),this._measurementOrientation="Horizontal",this._wpDirty=!1,this._vpDirty=!1,this._cpDirty=!1,this._sectionPlanesDirty=!0,this._visible=!1,this._originVisible=!1,this._targetVisible=!1,this._wireVisible=!1,this._axisVisible=!1,this._xAxisVisible=!1,this._yAxisVisible=!1,this._zAxisVisible=!1,this._axisEnabled=!0,this._xLabelEnabled=!1,this._yLabelEnabled=!1,this._zLabelEnabled=!1,this._lengthLabelEnabled=!1,this._labelsVisible=!1,this._labelsOnWires=!1,this._clickable=!1,this._originDot.on("worldPos",(e=>{this._originWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._targetDot.on("worldPos",(e=>{this._targetWorld.set(e||[0,0,0]),this._wpDirty=!0,this._needUpdate(0)})),this._onViewMatrix=i.camera.on("viewMatrix",(()=>{this._vpDirty=!0,this._needUpdate(0)})),this._onProjMatrix=i.camera.on("projMatrix",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onCanvasBoundary=i.canvas.on("boundary",(()=>{this._cpDirty=!0,this._needUpdate(0)})),this._onMetricsUnits=i.metrics.on("units",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsScale=i.metrics.on("scale",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onMetricsOrigin=i.metrics.on("origin",(()=>{this._cpDirty=!0,this._needUpdate()})),this._onSectionPlaneUpdated=i.on("sectionPlaneUpdated",(()=>{this._sectionPlanesDirty=!0,this._needUpdate()})),this.approximate=t.approximate,this.visible=t.visible,this.originVisible=t.originVisible,this.targetVisible=t.targetVisible,this.wireVisible=t.wireVisible,this.axisVisible=t.axisVisible,this.xAxisVisible=t.xAxisVisible,this.yAxisVisible=t.yAxisVisible,this.zAxisVisible=t.zAxisVisible,this.xLabelEnabled=t.xLabelEnabled,this.yLabelEnabled=t.yLabelEnabled,this.zLabelEnabled=t.zLabelEnabled,this.lengthLabelEnabled=t.lengthLabelEnabled,this.labelsVisible=t.labelsVisible,this.labelsOnWires=t.labelsOnWires,this.useRotationAdjustment=t.useRotationAdjustment,this._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set axesBasis(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}get axesBasis(){return this._axesBasis}_update(){if(!this._visible)return;const e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{const e=d.subVec3(this._targetWorld,this._originWorld,su);this._factors=d.transformVec3(this._axesBasis,e),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(d.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}const t=this._originDot.viewPos[2],i=this._targetDot.viewPos[2];if(t>-.3||i>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){d.transformPositions4(e.camera.project.matrix,this._vp,this._pp);var s=this._pp,r=this._cp,o=e.canvas.canvas.getBoundingClientRect();const t=this._container.getBoundingClientRect();var n=o.top-t.top,a=o.left-t.left,l=e.canvas.boundary,A=l[2],h=l[3],c=0;const i=this.plugin.viewer.scene.metrics,f=i.scale,g=i.units,m=i.unitsInfo[g].abbrev;for(var u=0,p=s.length;u<p;u+=4)r[c]=a+Math.floor((1+s[u+0]/s[u+3])*A/2),r[c+1]=n+Math.floor((1-s[u+1]/s[u+3])*h/2),c+=2;if(this._lengthWire.setStartAndEnd(r[0],r[1],r[6],r[7]),this._xAxisWire.setStartAndEnd(r[0],r[1],r[2],r[3]),this._yAxisWire.setStartAndEnd(r[2],r[3],r[4],r[5]),this._zAxisWire.setStartAndEnd(r[4],r[5],r[6],r[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(r[0],r[1],r[6],r[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(r[0],r[1],r[2],r[3]),this._yAxisLabel.setPosOnWire(r[2],r[3],r[4],r[5]),this._zAxisLabel.setPosOnWire(r[4],r[5],r[6],r[7]);else{const e=35;let t=e;this._xAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._yAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t),t+=e,this._zAxisLabel.setPosOnWire(r[0],r[1]+t,r[6],r[7]+t)}const e=this._approximate?" ~ ":" = ";this._length=Math.abs(d.lenVec3(d.subVec3(this._targetWorld,this._originWorld,iu))),this._lengthLabel.setText(e+(this._length*f).toFixed(2)+m);const t=Math.abs(ru(r[0],r[1],r[2],r[3])),i=Math.abs(ru(r[2],r[3],r[4],r[5])),s=Math.abs(ru(r[4],r[5],r[6],r[7])),o=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=t<o,this._yAxisLabelCulled=i<o,this._zAxisLabelCulled=s<o):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(e+Math.abs(this._factors[0]*f).toFixed(2)+m),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(e+Math.abs(this._factors[1]*f).toFixed(2)+m),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(e+Math.abs(d.lenVec3(d.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],iu))*f).toFixed(2)+m)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(e+Math.abs(this._factors[2]*f).toFixed(2)+m)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}_isSliced(e){const t=this.scene._sectionPlanesState.sectionPlanes;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(d.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){this._update();const e=this.plugin.viewer.scene.metrics.scale;return this._length*e}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);const t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,s=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(s),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(s&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get visible(){return this._visible}set originVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}get originVisible(){return this._originVisible}set targetVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}get targetVisible(){return this._targetVisible}set axisEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get axisEnabled(){return this._axisEnabled}set axisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}get axisVisible(){return this._axisVisible}set xAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;const t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xAxisVisible(){return this._xAxisVisible}set yAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;const t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yAxisVisible(){return this._yAxisVisible}set zAxisVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;const t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zAxisVisible(){return this._zAxisVisible}set wireVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}get wireVisible(){return this._wireVisible}set labelsVisible(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get labelsVisible(){return this._labelsVisible}set xLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}get xLabelEnabled(){return this._xLabelEnabled}set yLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}get yLabelEnabled(){return this._yLabelEnabled}set zLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}get zLabelEnabled(){return this._zLabelEnabled}set lengthLabelEnabled(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}get lengthLabelEnabled(){return this._lengthLabelEnabled}set labelsOnWires(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}get labelsOnWires(){return this._labelsOnWires}setHighlighted(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}set clickable(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}get clickable(){return this._clickable}destroy(){const e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),super.destroy()}}class nu extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class au extends nu{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=e=>e.offsetTop+(e.offsetParent&&e.offsetParent!==s.parentNode&&h(e.offsetParent)),c=e=>e.offsetLeft+(e.offsetParent&&e.offsetParent!==s.parentNode&&c(e.offsetParent)),u=d.vec2(),p=e=>{const t=e.snappedCanvasPos||e.canvasPos;r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState?(this._canvasToPagePos?(this._canvasToPagePos(s,t,u),this._markerDiv.style.left=u[0]-5+"px",this._markerDiv.style.top=u[1]-5+"px"):(this._markerDiv.style.left=c(s)+t[0]-5+"px",this._markerDiv.style.top=h(s)+t[1]-5+"px"),this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity):(this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px"),s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&p(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||p(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const f=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&f(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||f(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class lu extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new au(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new ou(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Au extends nu{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(i=>{this.pointerCircle.stop();const r=i.touches.length;if(1!==r||1!==i.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const n=i.touches[0],l=n.clientX,h=n.clientY;if(n.identifier!==A)return;let c,u;switch(a.set([l,h]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),c=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),c&&c.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=c.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(c.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=c.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:c.worldPos,entity:c.entity},target:{worldPos:c.worldPos,entity:c.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(u=t.pick({canvasPos:a,pickSurface:!0}),u&&u.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=u.canvasPos,this.pointerLens.snapped=!1),s.set(u.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=u.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),c=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=c.worldPos,this._currentDistanceMeasurement.target.entity=c.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(u=t.pick({canvasPos:a,pickSurface:!0}),u&&u.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=u.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=u.worldPos,this._currentDistanceMeasurement.target.entity=u.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class hu extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=ve({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class cu extends hu{constructor(e,t){super(e,t,!0,!1)}}class uu extends hu{constructor(e,t){super(e,t,!1,!0)}}class du extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor||1,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e||1}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class pu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class fu{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=gu(e,i);return s?t?mu(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=gu(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=mu(r,[t]),i&&(r=mu(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function gu(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function mu(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class _u extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class vu extends _u{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const bu=d.vec3();class yu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new vu(this),this._lookCurve=new vu(this),this._upCurve=new vu(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,bu),t.look=this._lookCurve.getPoint(e,bu),t.up=this._upCurve.getPoint(e,bu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const xu=d.vec3(),Bu=d.vec3(),wu=d.vec3(),Pu=d.vec3(),Cu=d.vec3();class Mu extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,xu),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Cu):d.subVec3(t.eye,t.look,Cu),d.normalizeVec3(Cu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,xu)),d.mulVec3Scalar(Cu,s),t.eye=d.addVec3(o,Cu,xu),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Mu._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Cu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,wu),s.look=d.subVec3(wu,Cu,Bu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Bu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Pu)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,wu),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Bu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Pu)),this._projection2){const t="ortho"===this._projection2?Mu._easeOutExpo(e,0,1,1):Mu._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Eu extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Mu(this),this._t=0,this.state=Eu.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Eu.SCRUBBING:return;case Eu.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Eu.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Eu.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Eu.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Eu.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Eu.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Eu.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Eu.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Eu.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Eu.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Eu.STOPPED=0,Eu.SCRUBBING=1,Eu.PLAYING=2,Eu.PLAYING_TO=3;const Fu=d.vec3(),Iu=d.vec3();d.vec3();const Du=d.vec3([0,-1,0]),Su=d.vec4([0,0,0,1]);class Tu extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new io(this),this._plane=new Br(this,{geometry:new $t(this,po({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new Br(this,{geometry:new $t(this,uo({size:1,divisions:10})),material:new ri(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Qr(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Y(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Fu);const s=-d.dotVec3(i,Fu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Iu),d.vec3PairToQuaternion(Du,e,Su),this._node.quaternion=Su}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class Ru extends Nt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new mt({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new ct(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function Lu(e){if(!Uu(e.width)||!Uu(e.height)){const t=document.createElement("canvas");t.width=Ou(e.width),t.height=Ou(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Uu(e){return 0==(e&e-1)}function Ou(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class ku extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new mt({texture:new Yr({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=Lu(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Yr({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class Nu extends ku{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class Qu extends ku{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class Vu extends pe{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new io(this,{src:t.src}),this._geometry=new $t(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new Br(this,{geometry:this._geometry,material:new ri(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class Hu{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const ju=d.vec3();class Gu{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(ju[0]=this.objectsColorize[3*e+0],ju[1]=this.objectsColorize[3*e+1],ju[2]=this.objectsColorize[3*e+2],t.colorize=ju),c&&(t.opacity=this.objectsOpacity[e]))}}}const zu=d.vec3();class Wu{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(zu[0]=this.objectsColorize[3*c+0],zu[1]=this.objectsColorize[3*c+1],zu[2]=this.objectsColorize[3*c+2],t.colorize=zu):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Ku extends _u{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class Xu extends _u{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class Ju extends _u{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class Yu extends Gc{constructor(e,t={}){super(e,t)}}class Zu extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new Br(this,{geometry:new $t(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new ri(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new io(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class qu{transcode(e,t,i={}){}destroy(){}}const $u=d.vec4(),ed=d.vec4(),td=d.vec3(),id=d.vec3(),sd=d.vec3(),rd=d.vec4(),od=d.vec4(),nd=d.vec4();class ad{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,td);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,rd),o=d.subVec3(s,r.eye,nd),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,td),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,id)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,rd);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,od),o=d.subVec3(s,e,nd),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,td)),-i,id),a=d.addVec3(o,n,sd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,$u,ed,t),t}destroy(){}}const ld=d.vec3(),Ad=d.vec3(),hd=d.vec3(),cd=d.vec4(),ud=d.vec4(),dd=d.vec4();class pd{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Y(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new no(this._scene,Cr({radius:s})),this._pivotSphere=new Br(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Y(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new ri(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,ld)),i=d.cross3Vec3(t,e.worldUp,Ad);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=cd;t.project.unproject(e,a,ud,dd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,ld)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,Ad),hd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class fd{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new je;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const gd=d.vec2();class md{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController;let n,a,l,A=0,h=0,c=0,u=0,p=!1;const f=d.vec3();let g=!0;const m=this._scene.canvas.canvas,_=[];function v(e=!0){m.style.cursor="move",A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],c=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(p=!0,f.set(o.pickResult.worldPos)):p=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;_[s]=!1}),m.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:_[e.input.KEY_SHIFT]||i.planView?(n=!0,v()):(n=!0,v(!1));break;case 2:a=!0,v();break;case 3:l=!0,i.panRightClick&&v()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!n&&!a&&!l)return;const o=e.canvas.boundary,c=o[2],u=o[3],g=s.pointerCanvasPos[0],m=s.pointerCanvasPos[1],v=_[e.input.KEY_SHIFT]||i.planView||!i.panRightClick&&a||i.panRightClick&&l,b=document.pointerLockElement?t.movementX:g-A,y=document.pointerLockElement?t.movementY:m-h;if(v){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(p?d.lenVec3(d.subVec3(f,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*b*i/u,r.panDeltaY+=1.5*y*i/u}else r.panDeltaX+=.5*t.ortho.scale*(b/u),r.panDeltaY+=.5*t.ortho.scale*(y/u)}else!n||a||l||i.planView||(i.firstPerson?(r.rotateDeltaY-=b/c*i.dragRotationRate/2,r.rotateDeltaX+=y/u*(i.dragRotationRate/4)):(r.rotateDeltaY-=b/c*(1.5*i.dragRotationRate),r.rotateDeltaX+=y/u*(1.5*i.dragRotationRate)));A=g,h=m}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{if(i.active&&i.pointerEnabled)switch(e.which){case 1:case 2:case 3:n=!1,a=!1,l=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,gd);const i=gd[0],s=gd[1];Math.abs(i-c)<3&&Math.abs(s-u)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:gd,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const b=1/60;let y=null;m.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel))return;const t=performance.now()/1e3;var o=null!==y?t-y:0;y=t,o>.05&&(o=.05),o<b&&(o=b);const n=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===n)return;const a=n/Math.abs(n);r.dollyDelta+=-a*o*i.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const _d=d.vec3(),vd=d.vec3(),bd=d.vec3(),yd=d.vec3(),xd=d.vec3(),Bd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class wd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,_d);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;Bd.orthoScale=g,n?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldRight,f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):a?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldForward,f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):l?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldRight,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):A?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldForward,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(o.worldUp)):h?(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldUp,f,vd),xd)),Bd.look.set(_d),Bd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,bd),yd))):c&&(Bd.eye.set(d.addVec3(_d,d.mulVec3Scalar(o.worldUp,-f,vd),xd)),Bd.look.set(_d),Bd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,bd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(_d),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Bd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Bd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Pd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e&&e.worldPos?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Cd{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[],a=e.canvas.canvas;let l=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{l=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0,t===o.KEY_SHIFT&&(a.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,s===o.KEY_SHIFT&&(a.style.cursor=null),t.pivotController.getPivoting()&&t.pivotController.endPivot())})),this._onTick=e.on("tick",(a=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=a.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),l&&(s.followPointerDirty=!0,l=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}const Md=d.vec3();class Ed{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController;let A=1,h=1,c=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--A<=0&&(A=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?c=n.pickResult.worldPos:(h=1,c=null),s.followPointerDirty=!1),c){const t=Math.abs(d.lenVec3(d.subVec3(c,e.camera.eye,Md)));h=t/i.dollyProximityThreshold}h<i.dollyMinSpeed&&(h=i.dollyMinSpeed)}}else h=1,c=null;const u=r.dollyDelta*h;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t="grabbing"),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t="grabbing"}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==u){if(t=u<0?"zoom-in":"zoom-out",i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.pan([0,0,u]),o.ortho.scale=o.ortho.scale-u;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);else if(i.followPointer){l.dollyToCanvasPos(c,s.pointerCanvasPos,-u)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+u,o.zoom(u);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Fd{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Id(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Id(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Id(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Dd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Sd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Dd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)Dd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&n.endPivot()}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Dd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Dd(t,l),Dd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Dd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const Td=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Rd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,Td(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)Td(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(Td(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(Td(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class Ld extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new fd(this,this._configs),pivotController:new pd(i,this._configs),panController:new ad(i),cameraFlight:new Mu(this,{duration:.5})},this._handlers=[new Fd(this.scene,this._controllers,this._configs,this._states,this._updates),new Sd(this.scene,this._controllers,this._configs,this._states,this._updates),new md(this.scene,this._controllers,this._configs,this._states,this._updates),new wd(this.scene,this._controllers,this._configs,this._states,this._updates),new Pd(this.scene,this._controllers,this._configs,this._states,this._updates),new Rd(this.scene,this._controllers,this._configs,this._states,this._updates),new Cd(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cameraUpdater=new Ed(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){if(t[i[e]])return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class Ud{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Od{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new Ud(i.name,i.value,i.type,i.valueType,i.description))}}}}class kd{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Nd{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new Od({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new kd({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects.push(o),s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e=0,t=i.metaObjects.length;e<t;e++){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]};for(let t=0,i=this.metaObjects.length;t<i;t++){const i=this.metaObjects[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name};i.parent&&(s.parent=i.parent.id),i.attributes&&(s.attributes=i.attributes),i.propertySetIds&&(s.propertySetIds=i.propertySetIds),e.metaObjects.push(s)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class Qd{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Nd({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i=0,s=t.metaObjects.length;i<s;i++){const s=t.metaObjects[i];s.type;const r=s.id;1===s.metaModels.length&&s.metaModels[0].id===e&&(delete this.metaObjects[r],s.parent||delete this.rootMetaObjects[r])}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e=0,i=t.metaObjects.length;e<i;e++){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?Vd(t):null,n=i&&i.length>0?Vd(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function Vd(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/dist/xeokit-sdk.min.es5.js b/dist/xeokit-sdk.min.es5.js
index f56256b585..9a8a284e23 100644
--- a/dist/xeokit-sdk.min.es5.js
+++ b/dist/xeokit-sdk.min.es5.js
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f=document.querySelector("."+e.id);e.menuElement=f,f.style["border-radius"]="4px",f.style.display="none",f.style["z-index"]=3e5,f.style.background="white",f.style.border="1px solid black",f.style["box-shadow"]="0 4px 5px 0 gray",f.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(i)for(var m=0,_=i.length;m<_;m++){var y=i[m].items;if(y)for(var b=function(e,i){var r=y[e],s=r.subMenu;if(r.itemElement=document.getElementById(r.id),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var i=r.itemElement,s=t.menuElement,n=i.getBoundingClientRect();s.getBoundingClientRect();n.right+200>window.innerWidth?v._showMenu(t.id,n.left-200,n.top-1):v._showMenu(t.id,n.right-5,n.top-1),g=t}}else 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e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.visibility="visible",r.style.height="auto",r.style.padding=null;var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.visibility="hidden",r.style.height="0",r.style.padding="0"}}}}}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),Y=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){var n=this._snappedCanvasPos[0]-this._canvasPos[0],o=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(s[0]+n*this._zoomLevel-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]+o*this._zoomLevel-10,"px")}else this._lensCursorDiv.style.marginLeft="".concat(s[0]-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]-10,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new q(4),re={setDoublePrecisionEnabled:function(e){q=(Z=e)?Float64Array:Float32Array},getDoublePrecisionEnabled:function(){return Z},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId:function(e,t){var i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:function(e,t){return e+"#"+t},safeInv:function(e){var t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:function(e){return new q(e||2)},vec3:function(e){return new q(e||3)},vec4:function(e){return new q(e||4)},mat3:function(e){return new q(e||9)},mat3ToMat4:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new q(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},mat4:function(e){return new q(e||16)},mat4ToMat3:function(e,t){},doublesToFloats:function(e,t,i){for(var r=new q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i},divVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i},divScalarVec4:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i},dotVec4:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},cross3Vec4:function(e,t){var i=e[0],r=e[1],s=e[2],n=t[0],o=t[1],a=t[2];return[r*a-s*o,s*n-i*a,i*o-r*n,0]},cross3Vec3:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=t[0],a=t[1],l=t[2];return i[0]=s*l-n*a,i[1]=n*o-r*l,i[2]=r*a-s*o,i},sqLenVec4:function(e){return re.dotVec4(e,e)},lenVec4:function(e){return Math.sqrt(re.sqLenVec4(e))},dotVec3:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]},dotVec2:function(e,t){return e[0]*t[0]+e[1]*t[1]},sqLenVec3:function(e){return re.dotVec3(e,e)},sqLenVec2:function(e){return re.dotVec2(e,e)},lenVec3:function(e){return Math.sqrt(re.sqLenVec3(e))},distVec3:(j=new q(3),function(e,t){return re.lenVec3(re.subVec3(e,t,j))}),lenVec2:function(e){return Math.sqrt(re.sqLenVec2(e))},distVec2:function(){var e=new q(2);return function(t,i){return re.lenVec2(re.subVec2(t,i,e))}}(),rcpVec3:function(e,t){return re.divScalarVec3(1,e,t)},normalizeVec4:function(e,t){var i=1/re.lenVec4(e);return re.mulVec4Scalar(e,i,t)},normalizeVec3:function(e,t){var i=1/re.lenVec3(e);return re.mulVec3Scalar(e,i,t)},normalizeVec2:function(e,t){var i=1/re.lenVec2(e);return re.mulVec2Scalar(e,i,t)},angleVec3:function(e,t){var i=re.dotVec3(e,t)/Math.sqrt(re.sqLenVec3(e)*re.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:function(){var e=new q(3);return function(t,i){return e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=re.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=re.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=re.lenVec3(e),i}}(),vecToArray:function(){function e(e){return Math.round(1e5*e)/1e5}return function(t){for(var i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],A=e[7],c=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],x=t[3],w=t[4],B=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*c+x*f,i[1]=_*s+y*l+b*h+x*v,i[2]=_*n+y*u+b*d+x*g,i[3]=_*o+y*A+b*p+x*m,i[4]=w*r+B*a+P*c+C*f,i[5]=w*s+B*l+P*h+C*v,i[6]=w*n+B*u+P*d+C*g,i[7]=w*o+B*A+P*p+C*m,i[8]=M*r+E*a+F*c+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*A+F*p+k*m,i[12]=I*r+D*a+S*c+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*A+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],A=e[5],c=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+A*f+c*m,i[5]=u*d+A*v+c*_,i[8]=u*p+A*g+c*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],A=e[3],c=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=c,e[11]=r,e[12]=A,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],A=e[9],c=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*A*a*s-u*p*a*s-d*o*c*s+n*p*c*s+u*o*f*s-n*A*f*s-d*A*r*l+u*p*r*l+d*i*c*l-t*p*c*l-u*i*f*l+t*A*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*A*r*v+u*i*a*v-t*A*a*v-n*i*c*v+t*o*c*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],A=e[8],c=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,x=r*u-n*a,w=s*u-n*l,B=A*f-c*p,P=A*v-h*p,C=A*g-d*p,M=c*v-h*f,E=c*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-x*P+w*B);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*x+g*b)*k,t[3]=(-c*w+h*x-d*b)*k,t[4]=(-o*F+l*C-u*P)*k,t[5]=(i*F-s*C+n*P)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(A*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*B)*k,t[9]=(-i*E+r*C-n*B)*k,t[10]=(p*x-f*y+g*m)*k,t[11]=(-A*x+c*y-d*m)*k,t[12]=(-o*M+a*P-l*B)*k,t[13]=(i*M-r*P+s*B)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(A*b-c*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),A=Math.sin(e),c=Math.cos(e),h=1-c,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*A,a=p*A,l=f*A,(i=i||re.mat4())[0]=h*d*d+c,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+c,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+c,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,A=r*a,c=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=c+m,i[2]=h-g,i[3]=0,i[4]=c-m,i[5]=1-(A+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(A+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],A=e[2],c=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-A,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-A,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(A,-1,1)),Math.abs(A)<.99999?(i[0]=Math.atan2(c,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-A,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:re.mat4();return re.quaternionToRotationMat4(t,r),re.scaleMat4v(i,r),re.translateMat4v(e,r),r},decomposeMat4:function(){var e=new q(3),t=new q(16);return function(i,r,s,n){e[0]=i[0],e[1]=i[1],e[2]=i[2];var o=re.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];var a=re.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];var l=re.lenVec3(e);re.determinantMat4(i)<0&&(o=-o),r[0]=i[12],r[1]=i[13],r[2]=i[14],t.set(i);var u=1/o,A=1/a,c=1/l;return t[0]*=u,t[1]*=u,t[2]*=u,t[4]*=A,t[5]*=A,t[6]*=A,t[8]*=c,t[9]*=c,t[10]*=c,re.mat4ToQuaternion(t,s),n[0]=o,n[1]=a,n[2]=l,this}}(),getColMat4:function(e,t){var i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4:function(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v:function(e,t,i,r){r||(r=re.mat4());var s,n,o,a,l,u,A,c,h,d,p=e[0],f=e[1],v=e[2],g=i[0],m=i[1],_=i[2],y=t[0],b=t[1],x=t[2];return p===y&&f===b&&v===x?re.identityMat4():(s=p-y,n=f-b,o=v-x,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),A=n*u-o*l,c=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(A*A+c*c+h*h))?(A*=d=1/d,c*=d,h*=d):(A=0,c=0,h=0),r[0]=a,r[1]=A,r[2]=s,r[3]=0,r[4]=l,r[5]=c,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(A*p+c*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,A=e[0],c=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],x=e[12],w=e[13],B=e[14],P=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=A*r+p*s+m*n+x,a[1]=c*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+B,a[3]=d*r+g*s+b*n+P;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2];e[3];var c=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+c*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=A*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2],c=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=A*r+p*s+m*n+x,o[i+3]=c*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),A=Math.sin(s),c=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l-u*A*c):"YXZ"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l+u*A*c):"ZXY"===t?(i[0]=u*a*l-o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l-u*A*c):"ZYX"===t?(i[0]=u*a*l-o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l+u*A*c):"YZX"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l-u*A*c):"XZY"===t&&(i[0]=u*a*l-o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l+u*A*c),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],A=e[6],c=e[10],h=r+a+c;return h>0?(t=.5/Math.sqrt(h+1),i[3]=.25/t,i[0]=(A-l)*t,i[1]=(n-u)*t,i[2]=(o-s)*t):r>a&&r>c?(t=2*Math.sqrt(1+r-a-c),i[3]=(A-l)/t,i[0]=.25*t,i[1]=(s+o)/t,i[2]=(n+u)/t):a>c?(t=2*Math.sqrt(1+a-r-c),i[3]=(n-u)/t,i[0]=(s+o)/t,i[1]=.25*t,i[2]=(l+A)/t):(t=2*Math.sqrt(1+c-r-a),i[3]=(o-s)/t,i[0]=(n+u)/t,i[1]=(l+A)/t,i[2]=.25*t),i},vec3PairToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=Math.sqrt(re.dotVec3(e,e)*re.dotVec3(t,t)),s=r+re.dotVec3(e,t);return s<1e-8*r?(s=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):re.cross3Vec3(e,t,i),i[3]=s,re.normalizeQuaternion(i)},angleAxisToQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=e[3]/2,r=Math.sin(i);return t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(i),t},quaternionToEuler:function(){var e=new q(16);return function(t,i,r){return r=r||re.vec3(),re.quaternionToRotationMat4(t,e),re.mat4ToEuler(e,i,r),r}}(),mulQuaternions:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0],s=e[1],n=e[2],o=e[3],a=t[0],l=t[1],u=t[2],A=t[3];return i[0]=o*a+r*A+s*u-n*l,i[1]=o*l+s*A+n*a-r*u,i[2]=o*u+n*A+r*l-s*a,i[3]=o*A-r*a-s*l-n*u,i},vec3ApplyQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2],o=e[0],a=e[1],l=e[2],u=e[3],A=u*r+a*n-l*s,c=u*s+l*r-o*n,h=u*n+o*s-a*r,d=-o*r-a*s-l*n;return i[0]=A*u+d*-o+c*-l-h*-a,i[1]=c*u+d*-a+h*-o-A*-l,i[2]=h*u+d*-l+A*-a-c*-o,i},quaternionToMat4:function(e,t){t=re.identityMat4(t);var i=e[0],r=e[1],s=e[2],n=e[3],o=2*i,a=2*r,l=2*s,u=o*n,A=a*n,c=l*n,h=o*i,d=a*i,p=l*i,f=a*r,v=l*r,g=l*s;return t[0]=1-(f+g),t[1]=d+c,t[2]=p-A,t[4]=d-c,t[5]=1-(h+g),t[6]=v+u,t[8]=p+A,t[9]=v-u,t[10]=1-(h+f),t},quaternionToRotationMat4:function(e,t){var i=e[0],r=e[1],s=e[2],n=e[3],o=i+i,a=r+r,l=s+s,u=i*o,A=i*a,c=i*l,h=r*a,d=r*l,p=s*l,f=n*o,v=n*a,g=n*l;return t[0]=1-(h+p),t[4]=A-g,t[8]=c+v,t[1]=A+g,t[5]=1-(u+p),t[9]=d-f,t[2]=c-v,t[6]=d+f,t[10]=1-(u+h),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,i=re.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e;return t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t},inverseQuaternion:function(e,t){return re.normalizeQuaternion(re.conjugateQuaternion(e,t))},quaternionToAngleAxis:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=(e=re.normalizeQuaternion(e,ie))[3],r=2*Math.acos(i),s=Math.sqrt(1-i*i);return s<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/s,t[1]=e[1]/s,t[2]=e[2]/s),t[3]=r,t},AABB3:function(e){return new q(e||6)},AABB2:function(e){return new q(e||4)},OBB3:function(e){return new q(e||32)},OBB2:function(e){return new q(e||16)},Sphere3:function(e,t,i,r){return new q([e,t,i,r])},transformOBB3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2],c=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=A*r+p*s+m*n+x,o[i+3]=c*r+f*s+_*n+w;return o},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r){return e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5],re.subVec3(t,e,i),Math.abs(re.lenVec3(i))}}(),getAABB3DiagPoint:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s){e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5];var n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],A=s[2]-r[2],c=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=A>c?A:c,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,t[4]=e[3],t[5]=e[1],t[6]=e[2],t[7]=1,t[8]=e[3],t[9]=e[4],t[10]=e[2],t[11]=1,t[12]=e[0],t[13]=e[4],t[14]=e[2],t[15]=1,t[16]=e[0],t[17]=e[1],t[18]=e[5],t[19]=1,t[20]=e[3],t[21]=e[1],t[22]=e[5],t[23]=1,t[24]=e[3],t[25]=e[4],t[26]=e[5],t[27]=1,t[28]=e[0],t[29]=e[4],t[30]=e[5],t[31]=1,t},positions3ToAABB3:function(){var e=new q(3);return function(t,i,r){i=i||re.AABB3();for(var s,n,o,a=re.MAX_DOUBLE,l=re.MAX_DOUBLE,u=re.MAX_DOUBLE,A=re.MIN_DOUBLE,c=re.MIN_DOUBLE,h=re.MIN_DOUBLE,d=0,p=t.length;d<p;d+=3)r?(e[0]=t[d+0],e[1]=t[d+1],e[2]=t[d+2],re.decompressPosition(e,r,e),s=e[0],n=e[1],o=e[2]):(s=t[d+0],n=t[d+1],o=t[d+2]),s<a&&(a=s),n<l&&(l=n),o<u&&(u=o),s>A&&(A=s),n>c&&(c=n),o>h&&(h=o);return i[0]=a,i[1]=l,i[2]=u,i[3]=A,i[4]=c,i[5]=h,i}}(),OBB3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 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a=e.length/3;return t[0]=i/a,t[1]=r/a,t[2]=s/a,t},expandAABB3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e[4]<t[4]&&(e[4]=t[4]),e[5]<t[5]&&(e[5]=t[5]),e},expandAABB3Point3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[0]&&(e[3]=t[0]),e[4]<t[1]&&(e[4]=t[1]),e[5]<t[2]&&(e[5]=t[2]),e},expandAABB3Points3:function(e,t){for(var i,r,s,n=0,o=t.length;n<o;n+=3)i=t[n],r=t[n+1],s=t[n+2],e[0]>i&&(e[0]=i),e[1]>r&&(e[1]=r),e[2]>s&&(e[2]=s),e[3]<i&&(e[3]=i),e[4]<r&&(e[4]=r),e[5]<s&&(e[5]=s);return e},collapseAABB2:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB2();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MIN_DOUBLE,e[3]=re.MIN_DOUBLE,e},point3AABB3Intersect:function(e,t){return e[0]>t[0]||e[3]<t[0]||e[1]>t[1]||e[4]<t[1]||e[2]>t[2]||e[5]<t[2]},point3AABB3AbsoluteIntersect:function(e,t){return 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A=re.subVec3(a,o,t),c=re.subVec3(l,o,i),h=re.cross3Vec3(A,c,r);re.normalizeVec3(h,h);var d=-re.dotVec3(o,h),p=-(re.dotVec3(s,h)+d)/re.dotVec3(n,h);return u[0]=s[0]+p*n[0],u[1]=s[1]+p*n[1],u[2]=s[2]+p*n[2],u}}(),cartesianToBarycentric:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s,n,o,a){var l=re.subVec3(o,s,e),u=re.subVec3(n,s,t),A=re.subVec3(r,s,i),c=re.dotVec3(l,l),h=re.dotVec3(l,u),d=re.dotVec3(l,A),p=re.dotVec3(u,u),f=re.dotVec3(u,A),v=c*p-h*h;if(0===v)return null;var g=1/v,m=(p*d-h*f)*g,_=(c*f-h*d)*g;return a[0]=1-m-_,a[1]=_,a[2]=m,a}}(),barycentricInsideTriangle:function(e){var t=e[1],i=e[2];return i>=0&&t>=0&&i+t<1},barycentricToCartesian:function(e,t,i,r){var s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:re.vec3(),n=e[0],o=e[1],a=e[2];return s[0]=t[0]*n+i[0]*o+r[0]*a,s[1]=t[1]*n+i[1]*o+r[1]*a,s[2]=t[2]*n+i[2]*o+r[2]*a,s},mergeVertices:function(e,t,i,r){var 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_=re.vec3();re.normalizeVec3(re.cross3Vec3(r,s,n),_),m[c]||(m[c]=[]),m[h]||(m[h]=[]),m[d]||(m[d]=[]),m[c].push(_),m[h].push(_),m[d].push(_)}for(l=l&&l.length===o.length?l:new Float32Array(o.length),u=0,A=m.length;u<A;u++){p=m[u].length,f=0,v=0,g=0;for(var y=0;y<p;y++)f+=m[u][y][0],v+=m[u][y][1],g+=m[u][y][2];l[3*u]=f/p,l[3*u+1]=v/p,l[3*u+2]=g/p}return l}}(),buildTangents:function(){var e=new q(3),t=new q(3),i=new q(3),r=new q(3),s=new q(3),n=new q(3),o=new q(3);return function(a,l,u){for(var A=new Float32Array(a.length),c=0;c<l.length;c+=3){var h=l[c],d=a.subarray(3*h,3*h+3),p=u.subarray(2*h,2*h+2);h=l[c+1];var f=a.subarray(3*h,3*h+3),v=u.subarray(2*h,2*h+2);h=l[c+2];for(var g=a.subarray(3*h,3*h+3),m=u.subarray(2*h,2*h+2),_=re.subVec3(f,d,e),y=re.subVec3(g,d,t),b=re.subVec2(v,p,i),x=re.subVec2(m,p,r),w=1/(b[0]*x[1]-b[1]*x[0]),B=re.mulVec3Scalar(re.subVec3(re.mulVec3Scalar(_,x[1],s),re.mulVec3Scalar(y,b[1],n),o),w,n),P=void 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0!==arguments[1]?arguments[1]:{};if(B(this,e),this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=i.viewer;else{if("Scene"===t.type)this.scene=t;else{if(!(t instanceof e))throw"Invalid param: owner must be a Component";this.scene=t.scene}this._owner=t}this._dontClear=!!i.dontClear,this._renderer=this.scene._renderer,this.meta=i.meta||{},this.id=i.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,t&&t._own(this)}return C(e,[{key:"type",get:function(){return"Component"}},{key:"isComponent",get:function(){return!0}},{key:"glRedraw",value:function(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}},{key:"glResort",value:function(){this._renderer&&this._renderer.needStateSort()}},{key:"owner",get:function(){return this._owner}},{key:"isType",value:function(e){return this.type===e}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}},{key:"_message",value:function(e){return" ["+this.type+" "+he.inQuotes(this.id)+"]: "+e}},{key:"warn",value:function(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}},{key:"error",value:function(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}},{key:"_attach",value:function(e){var t=e.name;if(t){var i=e.component,r=e.sceneDefault,s=e.sceneSingleton,n=e.type,o=e.on,a=!1!==e.recompiles;if(i&&(he.isNumeric(i)||he.isString(i))){var l=i;if(!(i=this.scene.components[l]))return void this.error("Component not found: "+he.inQuotes(l))}if(!i)if(!0===s){var u=this.scene.types[n];for(var A in u)if(u.hasOwnProperty){i=u[A];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===r&&!(i=this.scene[t]))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+he.inQuotes(i.id));if(n&&!i.isType(n))return void this.error("Expected a "+n+" type or subtype: "+i.type+" "+he.inQuotes(i.id))}this._attachments||(this._attachments={});var c,h,d,p=this._attached[t];if(p){if(i&&p.id===i.id)return;var f=this._attachments[p.id];for(h=0,d=(c=f.subs).length;h<d;h++)p.off(c[h]);delete this._attached[t],delete this._attachments[p.id];var v=f.params.onDetached;v&&(he.isFunction(v)?v(p):v.scope?v.callback.call(v.scope,p):v.callback(p)),f.managingLifecycle&&p.destroy()}if(i){var g={params:e,component:i,subs:[],managingLifecycle:!1};g.subs.push(i.once("destroyed",(function(){g.params.component=null,this._attach(g.params)}),this)),a&&g.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=g;var m,_,y,b,x=e.onAttached;if(x&&(he.isFunction(x)?x(i):x.scope?x.callback.call(x.scope,i):x.callback(i)),o)for(m in o)if(o.hasOwnProperty(m)){if(_=o[m],he.isFunction(_)?(y=_,b=null):(y=_.callback,b=_.scope),!y)continue;g.subs.push(i.on(m,y,b))}}return a&&this.fire("dirty",this),this.fire(t,i),i}this.error("Component 'name' expected")}},{key:"_checkComponent",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}},{key:"_checkComponent2",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(t.scene.id===this.scene.id){for(var r=0,s=e.length;r<s;r++)if(e[r]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}},{key:"_own",value:function(e){var t=this;this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(function(){delete t._ownedComponents[e.id]}),this)}},{key:"_needUpdate",value:function(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():we.scheduleTask(this._doUpdate,this))}},{key:"_doUpdate",value:function(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}},{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"_update",value:function(){}},{key:"clear",value:function(){if(this._ownedComponents)for(var e in this._ownedComponents){if(this._ownedComponents.hasOwnProperty(e))this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}},{key:"destroy",value:function(){if(!this.destroyed){var e,t,i,r,s,n;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(i=(t=this._attachments[e]).component,s=0,n=(r=t.subs).length;s<n;s++)i.off(r[s]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){B(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){B(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],A=r[6],c=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,c-l,f-h,_-v),e.planes[1].set(a+s,c+l,f+h,_+v),e.planes[2].set(a-n,c-u,f-d,_-g),e.planes[3].set(a+n,c+u,f+d,_+g),e.planes[4].set(a-o,c-A,f-p,_-m),e.planes[5].set(a+o,c+A,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){g(i,Ce);var t=_(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(B(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var A=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,A)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,A)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,A=-(this._canvasMarquee[3]-s)*o+1,c=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,A*a,c*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Re=function(e){g(i,Ce);var t=_(i);function i(e){var r;B(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,A,c=e.marqueePicker,h=c.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(A=setTimeout((function(){var t=c.viewer.scene.input;t.keyDown[t.KEY_CTRL]||c.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,c.setMarqueeCorner1([s,n]),d=!0,c.viewer.cameraControl.pointerEnabled=!1,c.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(A),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,c.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&c.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(A),d&&(c.setMarqueeVisible(!1),d=!1,p=!1,f=!0,c.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(A),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,c.setMarqueeVisible(!0),c.setMarqueeCorner2([o,a]),c.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Le=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){B(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe=function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},Ne=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var r=this._dotClickable.style;r.left=Math.round(e)-9+"px",r.top=Math.round(t)-9+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Qe=re.vec3(),Ve=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function He(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function je(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,Qe),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,A=e.length;u<A;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function Ge(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function ze(e,t,i,r){var s=re.dotVec3(t,i)+e,n=re.normalizeVec3(t,Qe);return re.mulVec3Scalar(n,-s,r),r}var We=1,Ke=4,Xe=8,Je=16,Ye=32,Ze=256,qe=512,$e=1024,et=2048,tt=new Float32Array([0,0,0]),it=new Uint16Array([0,0,0]);re.OBB3();var rt=function(){function e(t,i,r,s,n,o){B(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(We)},set:function(e){if(!!(this._flags&We)!==e){this._flags=e?this._flags|We:this._flags&~We;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(Ze)},set:function(e){if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Ke)!==e){this._flags=e?this._flags|Ke:this._flags&~Ke;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag(Je)},set:function(e){if(!!(this._flags&Je)!==e){this._flags=e?this._flags|Je:this._flags&~Je;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(Xe)},set:function(e){if(!!(this._flags&Xe)!==e){this._flags=e?this._flags|Xe:this._flags&~Xe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return tt[0]=e[0]/255,tt[1]=e[1]/255,tt[2]=e[2]/255,tt},set:function(e){if(e){it[0]=Math.floor(255*e[0]),it[1]=Math.floor(255*e[1]),it[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(it)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),st=re.vec4(),nt=re.vec4(),ot=function(e){g(i,Ce);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(b(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){st.set(this._viewPos),st[3]=1,re.transformPoint4(this.scene.camera.projMatrix,st,nt);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+nt[0]/nt[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-nt[1]/nt[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof rt?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),He(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),at=function(){};function lt(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var ut=function(e){g(i,ot);var t=_(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};B(this,i);var a=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};(n=t.call(this,e,r))._dot=new Ne(s,{fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:a(o.onMouseOver,"mouseover"),onMouseLeave:a(o.onMouseLeave,"mouseleave"),onMouseWheel:a(o.onMouseWheel,"wheel"),onMouseDown:a(o.onMouseDown,"mousedown"),onMouseUp:a(o.onMouseUp,"mouseup"),onMouseMove:a(o.onMouseMove,"mousemove"),onTouchstart:a(o.onTouchstart,"touchstart"),onTouchmove:a(o.onTouchmove,"touchmove"),onTouchend:a(o.onTouchend,"touchend"),onContextMenu:a(o.onContextMenu,"contextmenu")});var l=function(){var t=n.canvasPos.slice();lt(e.canvas.canvas,s,t),n._dot.setPos(t[0],t[1])};n.on("worldPos",l);var u=e.camera.on("viewMatrix",l),A=e.camera.on("projMatrix",l);return n._cleanup=function(){e.camera.off(u),e.camera.off(A),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setCulled",value:function(e){this._dot.setCulled(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this._dot.setVisible(e)}},{key:"destroy",value:function(){this._cleanup(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function At(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",at),u=r("onMove",at),A=r("onEnd",at),c=s.scene,d=c.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);lt(d.ownerDocument.body,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,c.camera.viewMatrix,c.camera.projMatrix,c.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),A())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return h(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function ct(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",at),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=o.map((function(e){var t;return At(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),c(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),c(!0,e)}})})),c=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return c(!0),function(){A.forEach((function(e){return e()})),u(null)}}var ht=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]="rotate("+t+"deg)",r["-moz-transform"]="rotate("+t+"deg)",r["-ms-transform"]="rotate("+t+"deg)",r["-o-transform"]="rotate("+t+"deg)",r.transform="rotate("+t+"deg)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),dt=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(s.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),s.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):s.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),pt=re.vec3(),ft=re.vec3(),vt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._color=s.color||e.defaultColor;var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._cornerWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(12),r._vp=new Float64Array(12),r._pp=new Float64Array(12),r._cp=new Int16Array(6);var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};return r._originDot=new ut(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._cornerDot=new ut(n,s.corner,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._targetDot=new ut(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._originWire=new ht(r._container,{color:r._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._targetWire=new ht(r._container,{color:r._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._angleLabel=new dt(r._container,{fillColor:r._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._visible=!1,r._originVisible=!1,r._cornerVisible=!1,r._targetVisible=!1,r._originWireVisible=!1,r._targetWireVisible=!1,r._angleVisible=!1,r._labelsVisible=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._cornerDot.on("worldPos",(function(e){r._cornerWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.cornerVisible=s.cornerVisible,r.targetVisible=s.targetVisible,r.originWireVisible=s.originWireVisible,r.targetWireVisible=s.targetWireVisible,r.angleVisible=s.angleVisible,r.labelsVisible=s.labelsVisible,r}return C(i,[{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){var t=-.3,i=this._originDot.viewPos[2],r=this._cornerDot.viewPos[2],s=this._targetDot.viewPos[2];if(i>t||r>t||s>t)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var n=this._pp,o=this._cp,a=e.canvas.canvas.getBoundingClientRect(),l=this._container.getBoundingClientRect(),u=a.top-l.top,A=a.left-l.left,c=e.canvas.boundary,h=c[2],d=c[3],p=0,f=0,v=n.length;f<v;f+=4)o[p]=A+Math.floor((1+n[f+0]/n[f+3])*h/2),o[p+1]=u+Math.floor((1-n[f+1]/n[f+3])*d/2),p+=2;if(this._originWire.setStartAndEnd(o[0],o[1],o[2],o[3]),this._targetWire.setStartAndEnd(o[2],o[3],o[4],o[5]),this._angleLabel.setPosBetweenWires(o[0],o[1],o[2],o[3],o[4],o[5]),re.subVec3(this._originWorld,this._cornerWorld,pt),re.subVec3(this._targetWorld,this._cornerWorld,ft),!(0===pt[0]&&0===pt[1]&&0===pt[2]||0===ft[0]&&0===ft[1]&&0===ft[2])){var g=this._approximate?" ~ ":" = ";re.normalizeVec3(pt),re.normalizeVec3(ft);var m=Math.abs(re.angleVec3(pt,ft));this._angle=m/re.DEGTORAD,this._angleLabel.setText(g+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._update(),this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}},{key:"cornerVisible",get:function(){return this._cornerVisible},set:function(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originWireVisible",get:function(){return this._originWireVisible},set:function(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetWireVisible",get:function(){return this._targetWireVisible},set:function(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"angleVisible",get:function(){return this._angleVisible},set:function(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),gt=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),mt=function(e){g(i,gt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div");e.setAttribute("id","myMarkerDiv");var t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){if(this.markerDiv){var e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this.markerDiv=null}}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),A=re.vec2();this._currentAngleMeasurement=null;var c=function e(t){return t.offsetTop+(t.offsetParent&&t.offsetParent!==i.parentNode&&e(t.offsetParent))},h=function e(t){return t.offsetLeft+(t.offsetParent&&t.offsetParent!==i.parentNode&&e(t.offsetParent))},d=re.vec2(),p=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),A.set(r),e._mouseState){case 0:e._canvasToPagePos?(e._canvasToPagePos(i,r,d),e.markerDiv.style.left="".concat(d[0]-5,"px"),e.markerDiv.style.top="".concat(d[1]-5,"px")):(e.markerDiv.style.left="".concat(h(i)+r[0]-5,"px"),e.markerDiv.style.top="".concat(c(i)+r[1]-5,"px"));break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&p(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||p(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var f=function(t){if(n=!1,s&&(s.visible=!0,s.pointerPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&f(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||f(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),_t=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new mt(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new vt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),yt=function(e){g(i,gt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),A=null,c=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,c())}),e._longTouchTimeoutMs),e._touchState=1,A=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,c()}}),e._longTouchTimeoutMs),e._touchState=4),A=d.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,c()}}),e._longTouchTimeoutMs),e._touchState=7),A=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0],c=u.clientX,h=u.clientY;if(u.identifier===A)switch(l.set([c,h]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var c=r.changedTouches[0],d=c.clientX,p=c.clientY;if(c.identifier===A)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos},corner:{worldPos:f.worldPos},target:{worldPos:f.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement.corner.worldPos=v.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=6);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.target.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),bt=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ct({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),xt=function(e){g(i,bt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),wt=function(e){g(i,bt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Bt=re.vec3(),Pt=re.vec3(),Ct=re.vec3(),Mt=function(e){g(i,ot);var t=_(i);function i(e,r){var s;if(B(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",b(s))}),s._marker.addEventListener("contextmenu",s._onContextMenuExtenalMarker=function(){s.plugin.fire("contextmenu",b(s))}),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",b(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",b(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),this._marker.addEventListener("contextmenu",(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,Bt),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,Pt),s=re.addVec3(e.worldPos,r,Ct);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Et=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Mt(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Ft=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),kt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],It=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=b(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=A(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new Ft(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<kt.length;e++)try{this.gl=this.canvas.getContext(kt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Dt=function(){function e(t){B(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),Ve(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;Ve(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),St={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Tt=document.createElement("canvas");if(Tt){var Rt=Tt.getContext("webgl",{antialias:!0})||Tt.getContext("experimental-webgl",{antialias:!0});St.WEBGL=!!Rt,St.WEBGL&&(St.ANTIALIAS=Rt.getContextAttributes().antialias,Rt.getShaderPrecisionFormat?Rt.getShaderPrecisionFormat(Rt.FRAGMENT_SHADER,Rt.HIGH_FLOAT).precision>0?St.FS_MAX_FLOAT_PRECISION="highp":Rt.getShaderPrecisionFormat(Rt.FRAGMENT_SHADER,Rt.MEDIUM_FLOAT).precision>0?St.FS_MAX_FLOAT_PRECISION="mediump":St.FS_MAX_FLOAT_PRECISION="lowp":St.FS_MAX_FLOAT_PRECISION="mediump",St.DEPTH_BUFFER_BITS=Rt.getParameter(Rt.DEPTH_BITS),St.MAX_TEXTURE_SIZE=Rt.getParameter(Rt.MAX_TEXTURE_SIZE),St.MAX_CUBE_MAP_SIZE=Rt.getParameter(Rt.MAX_CUBE_MAP_TEXTURE_SIZE),St.MAX_RENDERBUFFER_SIZE=Rt.getParameter(Rt.MAX_RENDERBUFFER_SIZE),St.MAX_TEXTURE_UNITS=Rt.getParameter(Rt.MAX_COMBINED_TEXTURE_IMAGE_UNITS),St.MAX_TEXTURE_IMAGE_UNITS=Rt.getParameter(Rt.MAX_TEXTURE_IMAGE_UNITS),St.MAX_VERTEX_ATTRIBS=Rt.getParameter(Rt.MAX_VERTEX_ATTRIBS),St.MAX_VERTEX_UNIFORM_VECTORS=Rt.getParameter(Rt.MAX_VERTEX_UNIFORM_VECTORS),St.MAX_FRAGMENT_UNIFORM_VECTORS=Rt.getParameter(Rt.MAX_FRAGMENT_UNIFORM_VECTORS),St.MAX_VARYING_VECTORS=Rt.getParameter(Rt.MAX_VARYING_VECTORS),Rt.getSupportedExtensions().forEach((function(e){St.SUPPORTED_EXTENSIONS[e]=!0})))}var Lt=function(){function e(){B(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),Ut=function(){function e(t,i,r){if(B(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),Ot=C((function e(t,i){B(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),Nt=function(){function e(t,i){B(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),Qt=new G({});function Vt(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function Ht(e){console.error(e.join("\n"))}var jt=function(){function e(t,i){B(this,e),this.id=Qt.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ut(e,e.VERTEX_SHADER,Vt(this.source.vertex)),this._fragmentShader=new Ut(e,e.FRAGMENT_SHADER,Vt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ht(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ht(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ht(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ht(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ht(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new Ot(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Nt(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(Qt.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),Gt=function(){function e(t,i,r,s,n,o,a,l,u){switch(B(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),zt=function(){function e(t,i){B(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],A=l[1];u+10<0||A+10<0||u-10>r||A-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=A):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),Wt=re.vec3([1,0,0]),Kt=re.vec3(),Xt=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new zt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new zt(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new jt(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var A=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,Ve(s.viewMatrix,A));var c=r.sectionPlanes.length;if(c>0)for(var h=r.sectionPlanes,d=0;d<c;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,ze(v.dist,v.dir,A,Kt)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*Wt[0],i=255*Wt[1],r=255*Wt[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,A=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),c=A[0]===t&&A[1]===i&&A[2]===r;l._setVisible(c)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),Jt=re.vec2(),Yt=function(){function e(t){B(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,A=l.far,c=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Jt[0]=o,Jt[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,A),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,c),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(A/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,Jt),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new jt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Gt(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new Gt(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new Gt(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),Zt=new Float32Array(ri(17,[0,1])),qt=new Float32Array(ri(17,[1,0])),$t=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(ii(r,t));return i}(17,4)),ei=new Float32Array(2),ti=function(){function e(t){B(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new jt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Gt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Gt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,A=u.near,c=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),ei[0]=a,ei[1]=l,s.uniform2fv(this._uViewport,ei),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,c),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,qt):s.uniform2fv(this._uSampleOffsets,Zt),s.uniform1fv(this._uSampleWeights,$t);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function ii(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ri(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var si=function(){function e(t,i,r){B(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,h(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var A=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,A);for(var c=0;c<n.length;c++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+c,r.TEXTURE_2D,n[c],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,A),!r.isFramebuffer(A))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:A,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),A=this.gl;return A.readBuffer(A.COLOR_ATTACHMENT0+o),A.readPixels(a,l,1,1,i||A.RGBA,r||A.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,A=new Uint8Array(4*o),c=0;c<l;++c){var h=c*u,d=(a-c-1)*u;A.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(A,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),s.toDataURL("image/".concat(A))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),ni=function(){function e(t){B(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new si(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function oi(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var ai=function(e,t){t=t||{};var i=new Dt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},A=[],c=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new ni(e),b=!1,x=new Yt(e),w=new ti(e);function B(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];A[e++]=n}A.length=e,A.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=A.length;t<i;t++){var r=A[t];r.rebuildRenderFlags(),r.renderFlags.culled||(c[e++]=r)}c.length=e}()}function P(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var A=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*A,s.drawingBufferWidth),S(r[1]*A,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=c.length;p<f;p++){var v=c[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var A=t.read(0,0),c=A[0]+256*A[1]+256*A[2]*256+256*A[3]*256*256;c*=3,l.primIndex=c}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!oi(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!oi(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!oi(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!oi(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!oi(s,"WEBGL_compressed_texture_pvrtc")&&!oi(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),B(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=c.length;t<r;t++){var n=c[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),x.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&P(s)}})(),function(t){var r=[],a=[],l=[],u=[],A=[],h=[],d=[],p=[],b=[],x=[],w=[],B=[],P=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var R=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var L=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0,Z=0,q=0,$=c.length;q<$;q++)if(!0!==(D=c[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[L++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(A[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[W++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[Y++]=D),ee.selectedSilhouetteOpaque&&(P[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[J++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(B[K++]=D),ee.highlightedEdgesOpaque&&(x[z++]=D))}if(L>0)for(i.withSAO=!0,I=0;I<L;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)A[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0)for(I=0;I<O;I++)(D=l[I]).drawColorTransparent(i);if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)x[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(W>0||K>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),K>0)for(I=0;I<K;I++)B[I].drawEdgesHighlighted(i);if(W>0)for(I=0;I<W;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||J>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),J>0)for(I=0;I<J;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)P[I].drawSilhouetteSelected(i)}if(Y>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(Y>0)for(I=0;I<Y;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var te=Date.now(),ie=ae.frame;ie.renderTime=(te-R)/1e3,ie.drawElements=i.drawElements,ie.drawArrays=i.drawArrays,ie.useProgram=i.useProgram,ie.bindTexture=i.bindTexture,ie.bindArray=i.bindArray;for(var re=St.MAX_TEXTURE_IMAGE_UNITS,se=0;se<re;se++)s.activeTexture(s.TEXTURE0+se);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ne=St.MAX_VERTEX_ATTRIBS,oe=0;oe<ne;oe++)s.disableVertexAttribArray(oe)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new Lt,a=re.vec2(),u=re.vec3(),A=re.vec3(),c=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),B();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(A.set(h.origin||[0,0,0]),c.set(h.direction||[0,0,1]),d=re.addVec3(A,c,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(c,s,n),f=re.lookAtMat4v(A,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=A,p.direction=c),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,x=_.length;b<x;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var P=y.getRenderBuffer("pick",{size:[1,1]});P.bind();var E=C(P,u,f,v,h,p);if(!E)return P.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(P,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(P,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(P,E,u,f,v,p),p.pickSurfacePrecision=!1)),P.unbind(),p.entity=k,p):(P.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),A=re.mat4(),c=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),x=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),B=d.origin;if(B){var P=Ve(f,B,u);y=re.mulMat4(v,P,A)}else y=re.mulMat4(v,f,A);var C=re.inverseMat4(y,c);t[0]=x,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=x,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);B&&re.addVec3(k,B),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=c.length;t<i;t++){var r=c[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=c.length;t<i;t++){var r=c[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var A=y.getRenderBuffer("pick-normal",{size:[3,3]});A.bind(s.RGBA32I),s.viewport(0,0,A.size[0],A.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var c=A.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);A.unbind();var h=[c[0]/re.MAX_INT,c[1]/re.MAX_INT,c[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new Lt,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,A=t.snapRadius,c=t.snapToVertex,h=t.snapToEdge;if(!c&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=A||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var x=m[_];x.setPickMatrices&&x.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),B=[];i.snapPickLayerParams=B,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),c&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=c?"vertex":"edge",I(i)),s.depthMask(!0);var P=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,R=null,L=p,U=p,O=4*L+U*f.size[0]*4,N=P.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);R=a.items[z]}for(var W=[],K=0;K<P.length;K+=4)if(P[K+3]>0){var X=Math.floor(K/4),J=f.size[0],Y=X%J-Math.floor(J/2),Z=Math.floor(X/J)-Math.floor(J/2),q=Math.sqrt(Math.pow(Y,2)+Math.pow(Z,2));W.push({x:Y,y:Z,dist:q,isVertex:c&&h?P[K+3]>B.length/2:c,result:[P[K+0],P[K+1],P[K+2],P[K+3]],normal:[C[K+0],C[K+1],C[K+2],C[K+3]],id:[M[K+0],M[K+1],M[K+2],M[K+3]]})}var $=null,ee=null,te=null,ie=null;if(W.length>0){W.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=W[0].isVertex?"vertex":"edge";var se=W[0].result,ne=W[0].normal,oe=W[0].id,ae=B[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var Ae=null;null!==$&&(Ae=e.camera.projectWorldPos($));var ce=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!ce&&R&&(R=R.delegatePickedEntity?R.delegatePickedEntity():R),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=ce||R,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=Ae||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new Xt(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){B(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=c.length;e<t;e++){var r=c[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),x.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},li=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-r}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),ui=new G({}),Ai=function(){function e(t){for(var i in B(this,e),this.id=ui.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){ui.removeItem(this.id)}}]),e}(),ci=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),hi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),di=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),pi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),fi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),vi=re.vec3(),gi=re.vec3(),mi=re.vec3(),_i=re.vec3(),yi=re.vec3(),bi=re.vec3(),xi=re.vec4(),wi=re.vec4(),Bi=re.vec4(),Pi=re.mat4(),Ci=re.mat4(),Mi=re.vec3(),Ei=re.vec3(),Fi=re.vec3(),ki=re.vec3(),Ii=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new hi(b(r)),r._ortho=new di(b(r)),r._frustum=new pi(b(r)),r._customProjection=new fi(b(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Mi),re.normalizeVec3(Mi,Ei),re.mulVec3Scalar(Ei,1e3,Fi),re.addVec3(this._look,Fi,ki),e=ki):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Ci),re.mulMat4(t.deviceMatrix,Ci,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,vi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Pi),t=re.transformPoint3(Pi,t,gi),this.eye=re.addVec3(this._look,t,mi),this.up=re.transformPoint3(Pi,this._up,_i)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,vi),i=re.cross3Vec3(re.normalizeVec3(t,gi),re.normalizeVec3(this._up,mi));re.rotationMat4v(.0174532925*e,i,Pi),t=re.transformPoint3(Pi,t,_i),this.up=re.transformPoint3(Pi,this._up,yi),this.eye=re.addVec3(t,this._look,bi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,vi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Pi),t=re.transformPoint3(Pi,t,gi),this.look=re.addVec3(t,this._eye,mi),this._gimbalLock&&(this.up=re.transformPoint3(Pi,this._up,_i))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,vi),i=re.cross3Vec3(re.normalizeVec3(t,gi),re.normalizeVec3(this._up,mi));re.rotationMat4v(.0174532925*e,i,Pi),this.up=re.transformPoint3(Pi,this._up,bi),t=re.transformPoint3(Pi,t,_i),this.look=re.addVec3(t,this._eye,yi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,vi),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,gi));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,mi),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,_i),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,yi),this.look=re.addVec3(this._look,r,bi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,vi),i=Math.abs(re.lenVec3(t,gi)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,mi);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),_i)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,vi))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=xi,i=wi,r=Bi;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Di=function(e){g(i,Ce);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),Si=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ai({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new si(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),Ti=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),Ri=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),Li=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),A=re.vec3(),c=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,A,c,h={},d=Math.pow(10,4),p=0;for(A=0,c=s.length;A<c;A+=3)o=s[A],a=s[A+1],l=s[A+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[A/3]=h[u];for(A=0,c=n.length;A<c;A++)r[A]=t[n[A]],i[r[A]]=n[A]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,A),re.decompressPosition(l,i,c)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],A[0]=e[_],A[1]=e[_+1],A[2]=e[_+2],c[0]=e[y],c[1]=e[y+1],c[2]=e[y+2]),re.subVec3(c,A,h),re.subVec3(u,A,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,x,w,B,P,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,R=g.length;T<R;T+=3)for(var L=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[B=(x=Math.min(y,b))+","+(w=Math.max(y,b))]?D[B]={index1:x,index2:w,face1:L,face2:void 0}:D[B].face2=L;for(B in D)void 0!==(P=D[B]).face2&&(C=s[P.face1].normal,M=s[P.face2].normal,re.dotVec3(C,M)>I)||(E=i[P.index1],F=i[P.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var Ui=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,A=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/A,l/A,u/A],t),re.mulMat4(e,t,r),r}}(),Oi=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var Ni=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function Qi(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function Vi(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function Hi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var ji={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:Ui,compressPositions:Oi,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:Ni,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=Qi(e,o,"floor","floor"),r=s=Hi(e,o,Vi(t)),(r=Hi(e,o,Vi(t=Qi(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=Hi(e,o,Vi(t=Qi(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=Hi(e,o,Vi(t=Qi(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},Gi=ae.memory,zi=re.AABB3(),Wi=function(e){g(i,Ri);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new Ai({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=ji.getPositionsBounds(s.positions),l=ji.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=ji.getUVBounds(s.uv),A=ji.compressUVs(s.uv,u.min,u.max);n.uv=A.quantized,n.uvDecodeMatrix=A.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=ji.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),Gi.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Gi.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Gi.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new Gt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Gi.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Gi.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Gt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Gi.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=Li(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Gi.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new Gt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Gt(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),Gi.positions+=this._pickTrianglePositionsBuf.numItems,Gi.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),ji.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=ji.getPositionsBounds(e),s=ji.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),ji.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),ji.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,zi,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(zi,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Gi.meshes--}}]),i}();function Ki(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,A=-r+a,c=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[c,h,d,l,h,d,l,u,d,c,u,d,c,h,d,c,u,d,c,u,A,c,h,A,c,h,d,c,h,A,l,h,A,l,h,d,l,h,d,l,h,A,l,u,A,l,u,d,l,u,A,c,u,A,c,u,d,l,u,d,c,u,A,l,u,A,l,h,A,c,h,A],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var Xi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),Ji={opaque:0,mask:1,blend:2},Yi=["opaque","mask","blend"],Zi=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return Yi[this._state.alphaMode]},set:function(e){var t=Ji[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),qi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},$i=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return qi}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=qi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(qi).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),er={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},tr=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return er}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=er[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(er).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),ir={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},rr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return ir}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),ir[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),sr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._supported=St.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),nr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),or={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},ar=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return or}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=or[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(or).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),lr={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},ur=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return lr}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=lr[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(lr).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Ar(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var cr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new It(b(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new ai(b(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new li(b(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new rr(b(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new sr(b(r),{enabled:s.saoEnabled}),r.crossSections=new nr(b(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(b(r)),r._initDefaults(),r._viewport=new ci(b(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new Ii(b(r),{id:"default.camera",dontClear:!0}),new Ti(b(r),{color:[1,1,1],intensity:.7}),new Si(b(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Si(b(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}},{key:"clearEachPass",get:function(){return this._clearEachPass},set:function(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}},{key:"gammaInput",get:function(){return this._renderer.gammaInput},set:function(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaOutput",get:function(){return this._renderer.gammaOutput},set:function(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaFactor",get:function(){return this._renderer.gammaFactor},set:function(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}},{key:"geometry",get:function(){return this.components["default.geometry"]||Ki(Wi)}},{key:"material",get:function(){return this.components["default.material"]||new Zi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}},{key:"xrayMaterial",get:function(){return this.components["default.xrayMaterial"]||new $i(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}},{key:"highlightMaterial",get:function(){return this.components["default.highlightMaterial"]||new $i(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}},{key:"selectedMaterial",get:function(){return this.components["default.selectedMaterial"]||new $i(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}},{key:"edgeMaterial",get:function(){return this.components["default.edgeMaterial"]||new tr(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}},{key:"pointsMaterial",get:function(){return this.components["default.pointsMaterial"]||new ar(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}},{key:"linesMaterial",get:function(){return this.components["default.linesMaterial"]||new ur(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}},{key:"viewport",get:function(){return this._viewport}},{key:"camera",get:function(){return this._camera}},{key:"center",get:function(){if(this._aabbDirty||!this._center){var e=this.aabb;this._center||(this._center=re.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}},{key:"aabb",get:function(){if(this._aabbDirty){this._aabb||(this._aabb=re.AABB3());var e,t,i=re.MAX_DOUBLE,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MIN_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=this._collidables,u=!1;for(var A in l)if(l.hasOwnProperty(A)){if(!1===(t=l[A]).collidable)continue;(e=t.aabb)[0]<i&&(i=e[0]),e[1]<r&&(r=e[1]),e[2]<s&&(s=e[2]),e[3]>n&&(n=e[3]),e[4]>o&&(o=e[4]),e[5]>a&&(a=e[5]),u=!0}u||(i=-100,r=-100,s=-100,n=100,o=100,a=100),this._aabb[0]=i,this._aabb[1]=r,this._aabb[2]=s,this._aabb[3]=n,this._aabb[4]=o,this._aabb[5]=a,this._aabbDirty=!1,this._center=null}return this._aabb}},{key:"_setAABBDirty",value:function(){this._aabbDirty=!0,this.fire("boundary")}},{key:"pick",value:function(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");var i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ar(this,i));var r=e.excludeEntities||e.exclude;return r&&(e.excludeEntityIds=Ar(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var e=Object.keys(this.sectionPlanes),t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}},{key:"clearBitmaps",value:function(){for(var e=Object.keys(this.bitmaps),t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}},{key:"clearLines",value:function(){for(var e=Object.keys(this.lineSets),t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}},{key:"getAABB",value:function(e){if(void 0===e)return this.aabb;if(he.isString(e)){var t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;var i,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MAX_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE;if(this.withObjects(e,(function(e){if(e.collidable){var t=e.aabb;t[0]<r&&(r=t[0]),t[1]<s&&(s=t[1]),t[2]<n&&(n=t[2]),t[3]>o&&(o=t[3]),t[4]>a&&(a=t[4]),t[5]>l&&(l=t[5]),i=!0}})),i){var u=re.AABB3();return u[0]=r,u[1]=s,u[2]=n,u[3]=o,u[4]=a,u[5]=l,u}return this.aabb}},{key:"setObjectsVisible",value:function(e,t){return this.withObjects(e,(function(e){var i=e.visible!==t;return e.visible=t,i}))}},{key:"setObjectsCollidable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.collidable!==t;return e.collidable=t,i}))}},{key:"setObjectsCulled",value:function(e,t){return this.withObjects(e,(function(e){var i=e.culled!==t;return e.culled=t,i}))}},{key:"setObjectsSelected",value:function(e,t){return this.withObjects(e,(function(e){var i=e.selected!==t;return e.selected=t,i}))}},{key:"setObjectsHighlighted",value:function(e,t){return this.withObjects(e,(function(e){var i=e.highlighted!==t;return e.highlighted=t,i}))}},{key:"setObjectsXRayed",value:function(e,t){return this.withObjects(e,(function(e){var i=e.xrayed!==t;return e.xrayed=t,i}))}},{key:"setObjectsEdges",value:function(e,t){return this.withObjects(e,(function(e){var i=e.edges!==t;return e.edges=t,i}))}},{key:"setObjectsColorized",value:function(e,t){return this.withObjects(e,(function(e){e.colorize=t}))}},{key:"setObjectsOpacity",value:function(e,t){return this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var A=a[l],c=re.globalizeObjectId(A,n);(o=this.objects[c])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,h(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in f(x(i.prototype),"destroy",this).call(this),this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}]),i}(),hr=1e3,dr=1001,pr=1002,fr=1003,vr=1004,gr=1004,mr=1005,_r=1005,yr=1006,br=1007,xr=1007,wr=1008,Br=1008,Pr=1009,Cr=1010,Mr=1011,Er=1012,Fr=1013,kr=1014,Ir=1015,Dr=1016,Sr=1017,Tr=1018,Rr=1020,Lr=1021,Ur=1022,Or=1023,Nr=1024,Qr=1025,Vr=1026,Hr=1027,jr=1028,Gr=1029,zr=1030,Wr=1031,Kr=1033,Xr=33776,Jr=33777,Yr=33778,Zr=33779,qr=35840,$r=35841,es=35842,ts=35843,is=36196,rs=37492,ss=37496,ns=37808,os=37809,as=37810,ls=37811,us=37812,As=37813,cs=37814,hs=37815,ds=37816,ps=37817,fs=37818,vs=37819,gs=37820,ms=37821,_s=36492,ys=3e3,bs=3001,xs=1e4,ws=10001,Bs=10002,Ps=10003,Cs=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var A=0,c=r.lights.length;A<c;A++){var h=r.lights[A];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+A+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+A+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+A+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+A+";"),u.push("uniform vec3 lightDir"+A+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,A=i.getNumAllocatedSectionPlanes();u<A;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,A=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Fs(e),h=s.getNumAllocatedSectionPlanes()>0,d=Es(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}A&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}A&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var x=0,w=o.lights.length;x<w;x++)o.lights[x].castsShadow&&f.push("vShadowPosFromLight"+x+" = texUnitConverter * shadowProjMatrix"+x+" * (shadowViewMatrix"+x+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Fs(e),u=r.uvBuf,A="PhongMaterial"===o.type,c="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=Es(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),A&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Ms[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Ms[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Ms[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Ms[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Ms[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Ms[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),A&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),A&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||c)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var x=0,w=n.lights.length;x<w;x++){var B=n.lights[x];"ambient"!==B.type&&("dir"===B.type&&"view"===B.space?f.push("viewLightDir = -normalize(lightDir"+x+");"):"point"===B.type&&"view"===B.space?f.push("viewLightDir = normalize(lightPos"+x+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+x+".xyz);"),d&&B.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+x+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+x+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a * shadow);")):f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a );"),f.push("light.direction = viewLightDir;"),A&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}A?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Ms={};function Es(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Fs(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Ms[3e3]="linearToLinear",Ms[3001]="sRGBToLinear";var ks=re.vec3(),Is=new G({}),Ds=function(e,t){this.id=Is.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Cs(t),this._allocate(t)},Ss={};Ds.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=Ss[i];if(!r){if((r=new Ds(i,e)).errors)return console.log(r.errors.join("\n")),null;Ss[i]=r,ae.memory.programs++}return r._useCount++,r},Ds.prototype.put=function(){0==--this._useCount&&(Is.removeItem(this.id),this._program&&this._program.destroy(),delete Ss[this._hash],ae.memory.programs--)},Ds.prototype.webglContextRestored=function(){this._program=null},Ds.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=St.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,A=r.camera,c=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):A.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,A.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(c){var b=ze(y.dist,y.dir,c,ks);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var x=l.backfaces;e.backfaces!==x&&(x?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=x);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var B=s._baseColorMap;B&&B._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,B._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,B._state.matrix));var P=s._metallicMap;P&&P._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,P._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,R=s._specularGlossinessMap;R&&R._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,R._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,R._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var L=a.colorize,U=this._lastColorize;U[0]===L[0]&&U[1]===L[1]&&U[2]===L[2]&&U[3]===L[3]||(n.uniform4fv(this._uColorize,L),U[0]=L[0],U[1]=L[1],U[2]=L[2],U[3]=L[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},Ds.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,A=0,c=u.length;A<c;A++){switch((l=u[A]).type){case"ambient":this._uLightAmbient[A]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=null,this._uLightDir[A]=a.getLocation("lightDir"+A);break;case"point":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=a.getLocation("lightPos"+A),this._uLightDir[A]=null,this._uLightAttenuation[A]=a.getLocation("lightAttenuation"+A);break;case"spot":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=a.getLocation("lightPos"+A),this._uLightDir[A]=a.getLocation("lightDir"+A),this._uLightAttenuation[A]=a.getLocation("lightAttenuation"+A)}l.castsShadow&&(this._uShadowViewMatrix[A]=a.getLocation("shadowViewMatrix"+A),this._uShadowProjMatrix[A]=a.getLocation("shadowProjMatrix"+A))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(A=0,c=n.sectionPlanes.length;A<c;A++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+A),pos:a.getLocation("sectionPlanePos"+A),dir:a.getLocation("sectionPlaneDir"+A)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},Ds.prototype._bindProgram=function(e){var t,i=St.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,A=n.lights.length;u<A;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var c=t.getShadowRenderBuf();c&&(a.bindTexture("shadowMap"+u,c.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var Ts=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Rs=new G({}),Ls=re.vec3(),Us=function(e,t){this.id=Rs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ts(t),this._allocate(t)},Os={};Us.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Os[t];return i||(i=new Us(t,e),Os[t]=i,ae.memory.programs++),i._useCount++,i},Us.prototype.put=function(){0==--this._useCount&&(Rs.removeItem(this.id),this._program&&this._program.destroy(),delete Os[this._hash],ae.memory.programs--)},Us.prototype.webglContextRestored=function(){this._program=null},Us.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var A=r._sectionPlanesState.getNumAllocatedSectionPlanes(),c=r._sectionPlanesState.sectionPlanes.length;if(A>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<A;p++){var f=this._uSectionPlanes[p];if(f)if(p<c){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=ze(g.dist,g.dir,u,Ls);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Us.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new jt(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Us.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var Ns=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Qs=new G({}),Vs=re.vec3(),Hs=function(e,t){this.id=Qs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ns(t),this._allocate(t)},js={};Hs.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=js[t];return i||(i=new Hs(t,e),js[t]=i,ae.memory.programs++),i._useCount++,i},Hs.prototype.put=function(){0==--this._useCount&&(Qs.removeItem(this.id),this._program&&this._program.destroy(),delete js[this._hash],ae.memory.programs--)},Hs.prototype.webglContextRestored=function(){this._program=null},Hs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,A=u._state,c=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(l.originHash,c):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(c){var y=ze(_.dist,_.dir,c,Vs);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var x=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,x[0],x[1],x[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),A.primitive===a.TRIANGLES?s=u._getEdgeIndices():A.primitive===a.LINES&&(s=A.indicesBuf),s&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=A.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},Hs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Hs.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var Gs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var zs=re.vec3(),Ws=function(e,t){this._hash=e,this._shaderSource=new Gs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Ks={};Ws.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=Ks[t];if(!i){if((i=new Ws(t,e)).errors)return console.log(i.errors.join("\n")),null;Ks[t]=i,ae.memory.programs++}return i._useCount++,i},Ws.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ks[this._hash],ae.memory.programs--)},Ws.prototype.webglContextRestored=function(){this._program=null},Ws.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var A=i._sectionPlanesState.sectionPlanes,c=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=c.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=A[h];if(a){var v=ze(f.dist,f.dir,a,zs);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,x=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,x/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},Ws.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},Ws.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var Xs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var Js=re.vec3(),Ys=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Xs(t),this._allocate(t)},Zs={};Ys.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Zs[t];if(!i){if((i=new Ys(t,e)).errors)return console.log(i.errors.join("\n")),null;Zs[t]=i,ae.memory.programs++}return i._useCount++,i},Ys.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Zs[this._hash],ae.memory.programs--)},Ys.prototype.webglContextRestored=function(){this._program=null},Ys.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,A=n.frontface,c=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(c.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var x=g[_];if(l){var w=ze(x.dist,x.dir,l,Js);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,x.pos);r.uniform3fv(y.dir,x.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==A&&(A?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=A),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},Ys.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var qs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var $s=re.vec3(),en=function(e,t){this._hash=e,this._shaderSource=new qs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},tn={};en.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=tn[t];if(!i){if((i=new en(t,e)).errors)return console.log(i.errors.join("\n")),null;tn[t]=i,ae.memory.programs++}return i._useCount++,i},en.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete tn[this._hash],ae.memory.programs--)},en.prototype.webglContextRestored=function(){this._program=null},en.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var A=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):A.viewMatrix),n.clippable){var c=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(c>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<c;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=ze(m.dist,m.dir,a,$s);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,A._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},en.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},en.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var rn=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var sn=function(e,t){this._hash=e,this._shaderSource=new rn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},nn={};sn.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=nn[i];if(!r){if((r=new sn(i,e)).errors)return console.log(r.errors.join("\n")),null;nn[i]=r,ae.memory.programs++}return r._useCount++,r},sn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete nn[this._hash],ae.memory.programs--)},sn.prototype.webglContextRestored=function(){this._program=null},sn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},sn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},sn.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var on=function(){function e(){B(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),an=re.OBB3(),ln=re.vec4(),un=re.vec4(),An=re.vec4(),cn=re.vec3([1,0,0]),hn=re.vec3([0,1,0]),dn=re.vec3([0,0,1]),pn=re.vec3(3),fn=re.vec3(3),vn=re.identityMat4(),gn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new on,r._state=new Ai({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(b(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||vn),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ds.get(this),this._emphasisFillRenderer=Us.get(this),this._emphasisEdgesRenderer=Hs.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Ws.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=en.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,an),re.OBB3ToAABB3(an,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return ln[0]=e[0],ln[1]=e[1],ln[2]=e[2],ln[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(ln,un),re.mulQuaternions(this.quaternion,un,An),this.quaternion=An,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return ln[0]=e[0],ln[1]=e[1],ln[2]=e[2],ln[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(ln,un),re.mulQuaternions(un,this.quaternion,un),this}},{key:"rotateX",value:function(e){return this.rotate(cn,e)}},{key:"rotateY",value:function(e){return this.rotate(hn,e)}},{key:"rotateZ",value:function(e){return this.rotate(dn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,pn),re.mulVec3Scalar(pn,t,fn),re.addVec3(this.position,fn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(cn,e)}},{key:"translateY",value:function(e){return this.translate(hn,e)}},{key:"translateZ",value:function(e){return this.translate(dn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=Ds.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=Ds.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=en.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=sn.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Ws.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Ys.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){mn(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),mn=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),A=re.vec3(),c=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),x=re.vec3(),w=re.vec3(),B=re.vec3(),P=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var R=T.primIndex;if(null!=R&&R>-1){var L=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===L.primitiveName){T.primitive="triangle";var Q,V,H,j=R,G=L.indices,z=L.positions;if(G){var W=G[j+0],K=G[j+1],X=G[j+2];n[0]=W,n[1]=K,n[2]=X,T.indices=n,Q=3*W,V=3*K,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],L.compressGeometry){var J=L.positionsDecodeMatrix;J&&(ji.decompressPosition(i,J,i),ji.decompressPosition(r,J,r),ji.decompressPosition(s,J,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?Ve(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var Y=L.normals;if(Y){if(L.compressGeometry){var Z=3*W,q=3*K,$=3*X;ji.decompressNormal(Y.subarray(Z,Z+2),A),ji.decompressNormal(Y.subarray(q,q+2),c),ji.decompressNormal(Y.subarray($,$+2),h)}else A[0]=Y[Q],A[1]=Y[Q+1],A[2]=Y[Q+2],c[0]=Y[V],c[1]=Y[V+1],c[2]=Y[V+2],h[0]=Y[H],h[1]=Y[H+1],h[2]=Y[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(A,u[0],_),re.mulVec3Scalar(c,u[1],y),b),re.mulVec3Scalar(h,u[2],x),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,B))}var te=L.uv;if(te){if(d[0]=te[2*W],d[1]=te[2*W+1],p[0]=te[2*K],p[1]=te[2*K+1],f[0]=te[2*X],f[1]=te[2*X+1],L.compressGeometry){var ie=L.uvDecodeMatrix;ie&&(ji.decompressUV(d,ie,d),ji.decompressUV(p,ie,p),ji.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],P),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function _n(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var o,a,l,u,A,c,h,d,p,f,v,g=!!e.openEnded,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,x=r/2,w=r/n,B=2*Math.PI/s,P=1/s,C=(t-i)/n,M=[],E=[],F=[],k=[],I=(90-180*Math.atan(r/(i-t))/Math.PI)/90;for(o=0;o<=n;o++)for(A=t-o*C,c=x-o*w,a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),E.push(A*l),E.push(I),E.push(A*u),F.push(a*P),F.push(1*o/n),M.push(A*l+_),M.push(c+y),M.push(A*u+b);for(o=0;o<n;o++)for(a=0;a<=s;a++)d=(h=o*(s+1)+a)+s,k.push(h),k.push(d),k.push(d+1),k.push(h),k.push(d+1),k.push(h+1);if(!g&&t>0){for(p=M.length/3,E.push(0),E.push(1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(t*l),E.push(1),E.push(t*u),F.push(f),F.push(v),M.push(t*l+_),M.push(x+y),M.push(t*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(h),k.push(h+1),k.push(m)}if(!g&&i>0){for(p=M.length/3,E.push(0),E.push(-1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(0-x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(i*l),E.push(-1),E.push(i*u),F.push(f),F.push(v),M.push(i*l+_),M.push(0-x+y),M.push(i*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(m),k.push(h+1),k.push(h)}return he.apply(e,{positions:M,normals:E,uv:F,indices:k})}function yn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.lod||1,i=e.center?e.center[0]:0,r=e.center?e.center[1]:0,s=e.center?e.center[2]:0,n=e.radius||1;n<0&&(console.error("negative radius not allowed - will invert"),n*=-1);var o=e.heightSegments||18;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),(o=Math.floor(t*o))<18&&(o=18);var a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),(a=Math.floor(t*a))<18&&(a=18);var l,u,A,c,h,d,p,f,v,g,m,_,y,b,x=[],w=[],B=[],P=[];for(l=0;l<=o;l++)for(A=l*Math.PI/o,c=Math.sin(A),h=Math.cos(A),u=0;u<=a;u++)d=2*u*Math.PI/a,p=Math.sin(d),f=Math.cos(d)*c,v=h,g=p*c,m=1-u/a,_=l/o,w.push(f),w.push(v),w.push(g),B.push(m),B.push(_),x.push(i+n*f),x.push(r+n*v),x.push(s+n*g);for(l=0;l<o;l++)for(u=0;u<a;u++)b=(y=l*(a+1)+u)+a+1,P.push(y+1),P.push(b+1),P.push(b),P.push(y+1),P.push(b),P.push(y);return 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Zi(o,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),f=new Zi(o,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),v=new Zi(o,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});return s._meshes=[new gn(o,{geometry:new Wi(o,yn({radius:9,heightSegments:60,widthSegments:60})),material:new Zi(o,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==r.visible}),new gn(o,{geometry:new Wi(o,yn({radius:1})),material:v,pickable:!1,collidable:!1,visible:!1!==r.visible}),new gn(o,{geometry:l,material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[5,0,0],rotation:[0,0,-90]}),new gn(o,{geometry:u,material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[2,0,0],rotation:[0,0,90]}),new gn(o,{geometry:new Wi(o,xn({text:"X",size:1.5})),material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new gn(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new gn(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new gn(o,{geometry:new Wi(o,xn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new gn(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new gn(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new gn(o,{geometry:new Wi(o,xn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var Bn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Pn=re.vec4(4),Cn=re.vec4(),Mn=re.vec4(),En=re.vec3([1,0,0]),Fn=re.vec3([0,1,0]),kn=re.vec3([0,0,1]),In=re.vec3(3),Dn=re.vec3(3),Sn=re.identityMat4(),Tn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Sn),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Pn[0]=e[0],Pn[1]=e[1],Pn[2]=e[2],Pn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Pn,Cn),re.mulQuaternions(this.quaternion,Cn,Mn),this.quaternion=Mn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Pn[0]=e[0],Pn[1]=e[1],Pn[2]=e[2],Pn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Pn,Cn),re.mulQuaternions(Cn,this.quaternion,Cn),this}},{key:"rotateX",value:function(e){return this.rotate(En,e)}},{key:"rotateY",value:function(e){return this.rotate(Fn,e)}},{key:"rotateZ",value:function(e){return this.rotate(kn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,In),re.mulVec3Scalar(In,t,Dn),re.addVec3(this.position,Dn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(En,e)}},{key:"translateY",value:function(e){return this.translate(Fn,e)}},{key:"translateZ",value:function(e){return this.translate(kn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(f(x(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),Rn=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Ln={opaque:0,mask:1,blend:2},Un=["opaque","mask","blend"],On=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return Un[this._state.alphaMode]},set:function(e){var t=Ln[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Nn={opaque:0,mask:1,blend:2},Qn=["opaque","mask","blend"],Vn=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return Qn[this._state.alphaMode]},set:function(e){var t=Nn[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Hn(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=oi(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=oi(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=oi(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=oi(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=oi(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=oi(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var A=oi(e,"EXT_texture_compression_bptc");if(null===A)return null;if(36492===s)return 3001===r?A.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:A.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var jn=new Uint8Array([0,0,0,1]),Gn=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,A=t.preloadColor,c=t.premultiplyAlpha,h=t.flipY;B(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!c,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),A&&this.setPreloadColor(A),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(jn[0]=Math.floor(255*e[0]),jn[1]=Math.floor(255*e[1]),jn[2]=Math.floor(255*e[2]),jn[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(jn[0]=0,jn[1]=0,jn[2]=0,jn[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,jn);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,jn);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=Hn(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=Hn(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var A=Hn(i,this.wrapS);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,A);var c=Hn(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);var h=Hn(i,this.format,this.encoding),d=Hn(i,this.type),p=zn(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=Hn(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=Hn(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=Hn(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Wn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Wn(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Hn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Hn(s,this.magFilter)));var A=Hn(s,this.format,this.encoding),c=Hn(s,this.type),h=zn(s,this.internalFormat,A,c,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==A?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,A,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,A,c,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=Hn(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=Hn(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=Hn(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=Hn(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function zn(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||oi(e,"EXT_color_buffer_float"),o}function Wn(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Kn(e){if(!Xn(e.width)||!Xn(e.height)){var t=document.createElement("canvas");t.width=Jn(e.width),t.height=Jn(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Xn(e){return 0==(e&e-1)}function Jn(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Yn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({texture:new Gn({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new Gn({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=Kn(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=Kn(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),Zn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),qn=ae.memory,$n=re.AABB3(),eo=function(e){g(i,Ri);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new Ai({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),y(r);if(!s.indices)return r.error("Config expected: indices"),y(r);var l=s.positionsDecodeMatrix;if(l);else{var u=ji.getPositionsBounds(s.positions),A=ji.compressPositions(s.positions,u.min,u.max);n=A.quantized,o.positionsDecodeMatrix=A.decodeMatrix,o.positionsBuf=new Gt(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),qn.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,$n,o.positionsDecodeMatrix),re.AABB3ToOBB3($n,r._obb)}if(s.colors){var c=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new Gt(a,a.ARRAY_BUFFER,c,c.length,4,a.STATIC_DRAW),qn.colors+=o.colorsBuf.numItems}if(s.uv){var h=ji.getUVBounds(s.uv),d=ji.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new Gt(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),qn.uvs+=o.uvBuf.numItems}if(s.normals){var f=ji.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new Gt(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),qn.normals+=o.normalsBuf.numItems}var g=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new Gt(a,a.ELEMENT_ARRAY_BUFFER,g,g.length,1,a.STATIC_DRAW),qn.indices+=o.indicesBuf.numItems;var m=Li(n,g,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new Gt(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),qn.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),qn.meshes--}}]),i}(),to={};function io(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=to.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function ro(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=to.parse.fromOBJ(e),o=to.edit.unwrap(n.i_verts,n.c_verts,3),a=to.edit.unwrap(n.i_norms,n.c_norms,3),l=to.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),A=0;A<n.i_verts.length;A++)u[A]=A;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function so(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,A=-r+a,c=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,A,l,u,d,l,h,A,l,h,d,c,u,A,c,u,d,c,h,A,c,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function no(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return so({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function oo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function ao(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,A,c,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,x=t/m,w=i/_,B=new Float32Array(y*b*3),P=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*x-v,B[M]=a+d,B[M+1]=p,B[M+2]=-F+f,P[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var 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i=to.bin.ril(e,2),r=6;r<i;){var s=to.bin.rsl(e,r),n=to.bin.ril(e,r+2);15677==s&&(t.edit=to.parse.from3DS._edit3ds(e,r,n)),45056==s&&(t.keyf=to.parse.from3DS._keyf3ds(e,r,n)),r+=n}return t},to.parse.from3DS._edit3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16384==n&&(null==r.objects&&(r.objects=[]),r.objects.push(to.parse.from3DS._edit_object(e,s,o))),s+=o}return r},to.parse.from3DS._keyf3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);45058==n&&(null==r.desc&&(r.desc=[]),r.desc.push(to.parse.from3DS._keyf_objdes(e,s,o))),s+=o}return r},to.parse.from3DS._keyf_objdes=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);45072==n&&(r.hierarchy=to.parse.from3DS._keyf_objhierarch(e,s,o)),45073==n&&(r.dummy_name=to.bin.rASCII0(e,s+6)),s+=o}return r},to.parse.from3DS._keyf_objhierarch=function(e,t,i){var r={},s=t+6;return r.name=to.bin.rASCII0(e,s),s+=r.name.length+1,r.hierarchy=to.bin.rsl(e,s+4),r},to.parse.from3DS._edit_object=function(e,t,i){var r={},s=t+6;for(r.name=to.bin.rASCII0(e,s),s+=r.name.length+1;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16640==n&&(r.mesh=to.parse.from3DS._obj_trimesh(e,s,o)),s+=o}return r},to.parse.from3DS._obj_trimesh=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16656==n&&(r.vertices=to.parse.from3DS._tri_vertexl(e,s,o)),16672==n&&(r.indices=to.parse.from3DS._tri_facel1(e,s,o)),16704==n&&(r.uvt=to.parse.from3DS._tri_mappingcoors(e,s,o)),16736==n&&(r.local=to.parse.from3DS._tri_local(e,s,o)),s+=o}return r},to.parse.from3DS._tri_vertexl=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rf(e,s)),r.push(to.bin.rf(e,s+4)),r.push(to.bin.rf(e,s+8)),s+=12;return r},to.parse.from3DS._tri_facel1=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rsl(e,s)),r.push(to.bin.rsl(e,s+2)),r.push(to.bin.rsl(e,s+4)),s+=8;return r},to.parse.from3DS._tri_mappingcoors=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rf(e,s)),r.push(1-to.bin.rf(e,s+4)),s+=8;return r},to.parse.from3DS._tri_local=function(e,t,i){var r={},s=t+6;return r.X=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.Y=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.Z=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.C=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r},to.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=to.bin.ril(e,0),i.verS=to.bin.ril(e,4),i.texS=to.bin.ril(e,8),i.indS=to.bin.ril(e,12),i.verO=to.bin.ril(e,16),i.verL=to.bin.ril(e,20),i.texO=to.bin.ril(e,24),i.texL=to.bin.ril(e,28),i.indO=to.bin.ril(e,32),i.indL=to.bin.ril(e,36),0!=i.verO&&(t.vertices=to.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=to.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=to.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},to.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);to.bin.wil(n,0,1769365870),to.bin.wil(n,4,32),to.bin.wil(n,8,32),to.bin.wil(n,12,r);var o=40;return e.vertices&&(to.bin.wil(n,16,o),to.bin.wil(n,20,4*e.vertices.length),to.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(to.bin.wil(n,24,o),to.bin.wil(n,28,4*e.uvt.length),to.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(to.bin.wil(n,32,o),to.bin.wil(n,36,4*e.indices.length),to.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},to.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(to.bin.rf(e,t+4*s));return r},to.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)to.bin.wf(e,t+4*r,i[r])},to.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(to.bin.rsl(e,t+2*n)),32==r&&s.push(to.bin.ril(e,t+4*n));return s},to.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&to.bin.wsl(e,t+2*s,i[s]),32==r&&to.bin.wil(e,t+4*s,i[s])},to.gen={},to.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,A=a*(2/t)-1;s.verts.push(u,A,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},to.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},to.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),A=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(u,A,c),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},to.mat={},to.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},to.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},to.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return to.mat.rotate(e*r,t*r,i*r)},to.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),A=Math.sin(s),c=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=c,r[4]=a*h+A*c*u,r[5]=a*u-A*c*h,r[6]=-A*l,r[8]=A*h-a*c*u,r[9]=A*u+a*c*h,r[10]=a*l,r},to.edit={},to.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},to.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},to.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},to.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},to.utils={},to.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],A=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),A<r&&(r=A),u>o&&(o=A)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var ho=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return 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e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return 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c=i[e[u]],h=i[e[u+1]],d=i[e[u+2]],p=c,f=h,v=d;if(c>h&&c>d?h>d?(p=c,f=h,v=d):(p=c,f=d,v=h):h>c&&h>d?c>d?(p=h,f=c,v=d):(p=h,f=d,v=c):d>c&&d>h&&(c>h?(p=d,f=c,v=h):(p=d,f=h,v=c)),r[u+0]=[p,f],r[u+1]=[f,v],p>v){var g=v;v=p,p=g}r[u+2]=[v,p]}function m(e,t){for(var i,r,s=0;s<2;s++)if(i=e[s],(r=t[s])!==i)return r-i;return 0}(r=r.slice(0,e.length)).sort(m);for(var _=0,y=0;y<r.length;y++)if(0===y||0!==m(r[y],r[y-1])){if(0!==y&&2!==_)return!1;_=1}else _++;return!(r.length>0&&2!==_)},fo=re.vec3(),vo=re.vec3(),go=re.vec3(),mo=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}},{key:"setPrimitive",value:function(e){this.primitive=e}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"volume",get:function(){var e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!po(t,e))return-1;for(var i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];fo[0]=e[s],fo[1]=e[s+1],fo[2]=e[s+2],vo[0]=e[n],vo[1]=e[n+1],vo[2]=e[n+2],go[0]=e[o],go[1]=e[o+1],go[2]=e[o+2],re.cross3Vec3(fo,vo,fo),i+=re.dotVec3(fo,go)}return i/6}}]),e}(),_o=new mo,yo=re.vec3(),bo=re.vec3(),xo=re.vec3(),wo=re.vec3(),Bo=re.vec3(),Po=re.vec3(),Co=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];yo[0]=e[s],yo[1]=e[s+1],yo[2]=e[s+2],bo[0]=e[n],bo[1]=e[n+1],bo[2]=e[n+2],xo[0]=e[o],xo[1]=e[o+1],xo[2]=e[o+2],re.subVec3(yo,bo,wo),re.subVec3(xo,bo,Bo),i+=.5*re.lenVec3(re.cross3Vec3(wo,Bo,Po))}return i}}]),e}(),Mo=new Co,Eo=re.OBB3(),Fo=re.OBB3(),ko=re.OBB3(),Io=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;B(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":_o.reset(),_o.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){_o.addVertex(e)})),this.getEachIndex((function(e){_o.addIndex(e)})),this._volume=_o.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Mo.reset(),this.getEachVertex((function(e){Mo.addVertex(e)})),this.getEachIndex((function(e){Mo.addIndex(e)})),this._surfaceArea=Mo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){if(this._aabbWorldDirty){if(re.AABB3ToOBB3(this._aabbLocal,Eo),this.transform?(re.transformOBB3(this.transform.worldMatrix,Eo,Fo),re.transformOBB3(this.model.worldMatrix,Fo,ko),re.OBB3ToAABB3(ko,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,Eo,Fo),re.OBB3ToAABB3(Fo,this._aabbWorld)),this.origin){var e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld},set:function(e){this._aabbLocal=e}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),Do=new(function(){function e(){B(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),So=0;function To(){return So++,Do}var Ro={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Lo=new Float32Array([1,1,1,1]),Uo=new Float32Array([0,0,0,1]),Oo=re.vec4(),No=re.vec3(),Qo=re.vec3(),Vo=re.mat4(),Ho=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;B(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var A=0;A<n;A++){var c=this._uSectionPlanes[A];if(c)if(A<o){var h=u.sectionPlanesActivePerLayer[l+A];if(i.uniform1i(c.active,h?1:0),h){var d=a[A],p=e._state.origin;if(p){var f=ze(d.dist,d.dir,p,No);i.uniform3fv(c.pos,f)}else i.uniform3fv(c.pos,d.pos);i.uniform3fv(c.dir,d.dir)}}else i.uniform1i(c.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=St.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,A=u.canvas.gl,c=t._state,h=t.model,d=c.textureSet,p=c.origin,f=c.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,x=h.position,w=h.rotationMatrix,B=h.rotationMatrixConjugate,P=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?A.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(c));var C=0,M=16;this._matricesUniformBlockBufferData.set(B,0);var E=0!==p[0]||0!==p[1]||0!==p[2],F=0!==x[0]||0!==x[1]||0!==x[2];if(E||F){var k=No;if(E){var I=re.transformPoint3(w,p,Qo);k[0]=I[0],k[1]=I[1],k[2]=I[2]}else k[0]=0,k[1]=0,k[2]=0;k[0]+=x[0],k[1]+=x[1],k[2]+=x[2],this._matricesUniformBlockBufferData.set(Ve(b,k,Vo),C+=M)}else this._matricesUniformBlockBufferData.set(b,C+=M);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,C+=M),this._matricesUniformBlockBufferData.set(f,C+=M),this._matricesUniformBlockBufferData.set(P,C+=M),this._matricesUniformBlockBufferData.set(_,C+=M),A.bindBuffer(A.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),A.bufferData(A.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,A.DYNAMIC_DRAW),A.bindBufferBase(A.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),A.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var D=2/(Math.log(e.pickZFar+1)/Math.LN2);A.uniform1f(this._uLogDepthBufFC,D)}this._uZFar&&A.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&A.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&A.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&A.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&A.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&A.uniform2f(this._uDrawingBufferSize,A.drawingBufferWidth,A.drawingBufferHeight),this._uUVDecodeMatrix&&A.uniformMatrix3fv(this._uUVDecodeMatrix,!1,c.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&A.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&A.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var S="ortho"===u.camera.projection?1:A.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));A.uniform1f(this._uNearPlaneHeight,S)}if(d){var T=d.colorTexture,R=d.metallicRoughnessTexture,L=d.emissiveTexture,U=d.normalsTexture,O=d.occlusionTexture;this._uColorMap&&T&&(this._program.bindTexture(this._uColorMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&R&&(this._program.bindTexture(this._uMetallicRoughMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&L&&(this._program.bindTexture(this._uEmissiveMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&U&&(this._program.bindTexture(this._uNormalMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&O&&(this._program.bindTexture(this._uAOMap,O.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var N=u.sao,Q=N.possible;if(Q){var V=A.drawingBufferWidth,H=A.drawingBufferHeight;Oo[0]=V,Oo[1]=H,Oo[2]=N.blendCutoff,Oo[3]=N.blendFactor,A.uniform4fv(this._uSAOParams,Oo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&A.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var j=this._edges?"edgeColor":"fillColor",G=this._edges?"edgeAlpha":"fillAlpha";if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var z=u.xrayMaterial._state,W=z[j],K=z[G];A.uniform4f(this._uColor,W[0],W[1],W[2],K)}else if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var X=u.highlightMaterial._state,J=X[j],Y=X[G];A.uniform4f(this._uColor,J[0],J[1],J[2],Y)}else if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var Z=u.selectedMaterial._state,q=Z[j],$=Z[G];A.uniform4f(this._uColor,q[0],q[1],q[2],$)}else A.uniform4fv(this._uColor,this._edges?Uo:Lo)}this._draw({state:c,frameCtx:e,incrementDrawState:a}),A.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),jo=function(e){g(i,Ho);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),Go=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),zo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)s.push("if (sectionPlaneActive"+A+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+A+".xyz, vWorldPosition.xyz - sectionPlanePos"+A+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),Wo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),Ko=function(e){g(i,jo);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),Xo=function(e){g(i,Ko);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Jo=function(e){g(i,Ko);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Yo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),Zo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),qo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),$o=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ea=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("const float   packUpScale = 256. / 255.;"),r.push("const float   unpackDownscale = 255. / 256.;"),r.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),r.push("const float   shiftRight8 = 1.0 / 256.;"),r.push("vec4 packDepthToRGBA( const in float v ) {"),r.push("    vec4 r = vec4( fract( v * packFactors ), v );"),r.push("    r.yzw -= r.xyz * shiftRight8;"),r.push("    return r * packUpScale;"),r.push("}"),r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),ta=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),ia=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),ra=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)o.push("uniform bool sectionPlaneActive"+A+";"),o.push("uniform vec3 sectionPlanePos"+A+";"),o.push("uniform vec3 sectionPlaneDir"+A+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),sa=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),na=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),oa=re.vec3(),aa=re.vec3(),la=re.vec3(),ua=re.vec3(),Aa=re.mat4(),ca=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=oa;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=aa;if(l){var m=la;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Aa),(f=ua)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ha=re.vec3(),da=re.vec3(),pa=re.vec3(),fa=re.vec3(),va=re.mat4(),ga=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ha;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=da;if(l){var m=pa;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,va),(f=fa)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ma=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Wo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Yo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Zo(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ca(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new ga(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Go(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Go(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new zo(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new zo(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new na(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new na(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new na(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new na(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new ra(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new ra(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Wo(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ea(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new ta(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Xo(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Jo(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yo(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new qo(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new sa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zo(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new $o(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new ia(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new ga(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new ca(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),_a={};var ya=65536,ba=5e6,xa=function(){function e(){B(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return ya},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),ya=e}},{key:"maxGeometryBatchSize",get:function(){return ba},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),ba=e}}]),e}(),wa=new xa,Ba=C((function e(){B(this,e),this.maxVerts=wa.maxGeometryBatchSize,this.maxIndices=3*wa.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),Pa=re.mat4(),Ca=re.mat4();function Ma(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,A=t[5]-a,c=65525,h=c/l,d=c/u,p=c/A,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(Pa),re.translationMat4v(t,Pa),re.identityMat4(Ca),re.scalingMat4v([l/c,u/c,A/c],Ca),re.mulMat4(Pa,Ca,i),s}function Ea(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(Pa),re.translationMat4v(e,Pa),re.identityMat4(Ca),re.scalingMat4v([n/l,o/l,a/l],Ca),re.mulMat4(Pa,Ca,t),t}function Fa(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function ka(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var Ia=re.mat4(),Da=re.mat4(),Sa=re.vec4([0,0,0,1]),Ta=re.vec3(),Ra=re.vec3(),La=re.vec3(),Ua=re.vec3(),Oa=re.vec3(),Na=re.vec3(),Qa=re.vec3(),Va=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=_a[t];return i||(i=new ma(e),_a[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete _a[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ba(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,A=t.colorsCompressed,c=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var x=0,w=s.length;x<w;x++)y.positions.push(s[x])}else{if(!r)throw"positions expected";i=r.length/3;for(var B=0,P=r.length;B<P;B++)y.positions.push(r[B])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=Ia;g?re.inverseMat4(re.transposeMat4(g,Da),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,A,c=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(A=0;A<i;A+=3)c[0]=t[A],c[1]=t[A+1],c[2]=t[A+2],re.transformVec3(e,c,h),re.normalizeVec3(h,h),a=o=Fa(h,"floor","floor"),l=u=n(h,ka(o)),(l=n(h,ka(o=Fa(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,ka(o=Fa(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,ka(o=Fa(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+A+0]=a[0],r[s+A+1]=a[1],r[s+A+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(A)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],R=d[2],L=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(R),y.colors.push(L);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,W=c.length;z<W;z++)y.indices.push(b+c[z]);if(h)for(var K=0,X=h.length;K<X;K++)y.edgeIndices.push(b+h[K]);for(var J=y.pickColors.length,Y=J,Z=J+4*i;Y<Z;Y+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-c.length,numIndices:c.length};return _.readableGeometryEnabled&&(ee.indices=c,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Ma(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new Gt(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var A=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,A,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new Gt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var c=ji.getUVBounds(i.uv),h=ji.compressUVs(i.uv,c.min,c.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new Gt(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new Gt(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new Gt(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],A=t[3],c=0;c<n;c+=4)o[c+0]=a,o[c+1]=l,o[c+2]=u,o[c+3]=A;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,A=l,c=u,h=!!(t&We),d=!!(t&Ze),p=!!(t&qe),f=!!(t&$e),v=!!(t&et),g=!!(t&Xe),m=!!(t&Ke);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!h||m?Ro.NOT_RENDERED:f?Ro.SILHOUETTE_SELECTED:p?Ro.SILHOUETTE_HIGHLIGHTED:d?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var _=0;_=!h||m?Ro.NOT_RENDERED:f?Ro.EDGES_SELECTED:p?Ro.EDGES_HIGHLIGHTED:d?Ro.EDGES_XRAYED:v?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED;var y=h&&!m&&g?Ro.PICK:Ro.NOT_RENDERED,b=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var x=A,w=A+c;x<w;x++){var B=0;B|=s,B|=n<<4,B|=_<<8,B|=y<<12,B|=b<<16,this._deferredFlagValues[x]=B}}else if(this._state.flagsBuf){for(var P=this._scratchMemory.getFloat32Array(c),C=0;C<c;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,P[C]=M}this._state.flagsBuf.setData(P,A,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],A=0;A<n;A+=3)o[A+0]=a,o[A+1]=l,o[A+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r)for(var s=r.quantizedPositions,n=i.origin,o=n[0],a=n[1],l=n[2],u=Sa,A=this.model.matrix,c=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)u[0]=s[h],u[1]=s[h+1],u[2]=s[h+2],u[3]=1,re.decompressPosition(u,c),re.transformPoint4(A,u),u[0]+=o,u[1]+=a,u[2]+=l,t(u);else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,A=o.offset,c=Ta,h=Ra;c.set(u?re.subVec3(t,u,La):t),h.set(i),A&&re.subVec3(c,A),re.transformRay(this.model.worldNormalMatrix,c,h,c,h);for(var d=Ua,p=Oa,f=Na,v=!1,g=0,m=Qa,_=0,y=l.length;_<y;_+=3){var b=3*l[_],x=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[x],p[1]=a[x+1],p[2]=a[x+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(c,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),A&&re.addVec3(m,A),u&&re.addVec3(m,u);var B=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||B>g)&&(g=B,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),Ha=function(e){g(i,Ho);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),ja=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),Ga=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var A=0,c=r.getNumAllocatedSectionPlanes();A<c;A++)o.push("if (sectionPlaneActive"+A+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+A+".xyz, vWorldPosition.xyz - sectionPlanePos"+A+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),za=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),Wa=function(e){g(i,Ha);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),Ka=function(e){g(i,Wa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Xa=function(e){g(i,Wa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Ja=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),Ya=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Za=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),qa=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),$a=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),el=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),tl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),il={3e3:"linearToLinear",3001:"sRGBToLinear"},rl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)o.push("uniform bool sectionPlaneActive"+A+";"),o.push("uniform vec3 sectionPlanePos"+A+";"),o.push("uniform vec3 sectionPlaneDir"+A+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+il[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+il[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),sl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),nl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ol=re.vec3(),al=re.vec3(),ll=re.vec3(),ul=re.vec3(),Al=re.mat4(),cl=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ol;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=al;if(l){var m=re.transformPoint3(A,l,ll);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Al),(f=ul)[0]=o.eye[0]-g[0],f[1]=o.eye[1]-g[1],f[2]=o.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,v),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),hl=re.vec3(),dl=re.vec3(),pl=re.vec3(),fl=re.vec3(),vl=re.mat4(),gl=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=hl;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=dl;if(l){var m=re.transformPoint3(A,l,pl);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,vl),(f=fl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ml=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new za(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Ja(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ya(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new gl(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new ja(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ja(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Ga(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Ga(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new nl(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new nl(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new nl(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new nl(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new rl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new rl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new za(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new $a(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new el(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Ka(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Xa(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ja(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Za(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new sl(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ya(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new qa(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new tl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new gl(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),_l={};var yl=new Uint8Array(4),bl=new Float32Array(1),xl=re.vec4([0,0,0,1]),wl=new Float32Array(3),Bl=re.vec3(),Pl=re.vec3(),Cl=re.vec3(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.vec3(),Il=new Float32Array(4),Dl=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=_l[t];return i||(i=new ml(e),_l[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete _l[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new Ai({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],A=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(A),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var c=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(c);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new Gt(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new Gt(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new Gt(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new Gt(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Gt(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Gt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Gt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new Gt(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],yl[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(yl,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?1:0)<<16,bl[0]=A,this._state.flagsBuf&&this._state.flagsBuf.setData(bl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(wl[0]=t[0],wl[1]=t[1],wl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(wl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s)for(var n=r.positionsCompressed,o=i.origin,a=o[0],l=o[1],u=o[2],A=xl,c=s.matrix,h=this.model.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(c,A),re.transformPoint3(h,A),A[0]+=a,A[1]+=l,A[2]+=u,t(A);else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Il[0]=t[0],Il[1]=t[4],Il[2]=t[8],Il[3]=t[12],this._state.modelMatrixCol0Buf.setData(Il,i),Il[0]=t[1],Il[1]=t[5],Il[2]=t[9],Il[3]=t[13],this._state.modelMatrixCol1Buf.setData(Il,i),Il[0]=t[2],Il[1]=t[6],Il[2]=t[10],Il[3]=t[14],this._state.modelMatrixCol2Buf.setData(Il,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,A=o.origin,c=a.offset,h=Bl,d=Pl;h.set(A?re.subVec3(t,A,Cl):t),d.set(i),c&&re.subVec3(h,c),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Ml,f=El,v=Fl,g=!1,m=0,_=kl,y=0,b=u.length;y<b;y+=3){var x=3*u[y+0],w=3*u[y+1],B=3*u[y+2];p[0]=l[x],p[1]=l[x+1],p[2]=l[x+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[B],v[1]=l[B+1],v[2]=l[B+2];var P=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,P),re.decompressPosition(f,P),re.decompressPosition(v,P),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),c&&re.addVec3(_,c),A&&re.addVec3(_,A);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),Sl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),Tl=function(e){g(i,Sl);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Rl=function(e){g(i,Sl);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),Ll=re.vec3(),Ul=re.vec3(),Ol=re.vec3(),Nl=re.vec3(),Ql=re.mat4(),Vl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Ll;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Ul;if(l){var m=Ol;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Ql),(f=Nl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Hl=re.vec3(),jl=re.vec3(),Gl=re.vec3(),zl=re.vec3(),Wl=re.mat4(),Kl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Hl;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=jl;if(l){var m=Gl;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Wl),(f=zl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Xl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Tl(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Rl(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Vl(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Kl(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Jl={};var Yl=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),Zl=function(){function e(t){var i,r,s;B(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Jl[r])||(s=new Xl(i),Jl[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Jl[r],s._destroy()}))),s),this.model=t.model,this._buffer=new Yl(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var A=0,c=s.length;A<c;A++)l.positions.push(s[A])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var x=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),x}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Ma(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],A=0;A<s;A+=4)n[A+0]=o,n[A+1]=a,n[A+2]=l,n[A+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,A=l,c=!!(t&We),h=!!(t&Ze),d=!!(t&qe),p=!!(t&$e),f=!!(t&Xe),v=!!(t&Ke);s=!c||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!c||v?Ro.NOT_RENDERED:p?Ro.SILHOUETTE_SELECTED:d?Ro.SILHOUETTE_HIGHLIGHTED:h?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var g=c&&!v&&f?Ro.PICK:Ro.NOT_RENDERED,m=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+A;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(A),w=0;w<A;w++){var B=0;B|=s,B|=n<<4,B|=g<<12,B|=m<<16,x[w]=B}this._state.flagsBuf.setData(x,u,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),ql=function(e){g(i,Ho);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),$l=function(e){g(i,ql);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),eu=function(e){g(i,ql);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),tu=re.vec3(),iu=re.vec3(),ru=re.vec3();re.vec3();var su=re.mat4(),nu=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=tu;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=iu;if(l){var g=re.transformPoint3(A,l,ru);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,su),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ou=re.vec3(),au=re.vec3(),lu=re.vec3();re.vec3();var uu=re.mat4(),Au=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=ou;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=au;if(l){var g=re.transformPoint3(A,l,lu);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,uu),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),cu=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new nu(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Au(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new $l(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new eu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new nu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Au(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),hu={};var du=new Uint8Array(4),pu=new Float32Array(1),fu=new Float32Array(3),vu=new Float32Array(4),gu=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=hu[r])||(s=new cu(i),hu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete hu[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ai({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new Gt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new Gt(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new Gt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";du[0]=t[0],du[1]=t[1],du[2]=t[2],du[3]=t[3],this._state.colorsBuf.setData(du,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?255:0)<<16,pu[0]=A,this._state.flagsBuf.setData(pu,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(fu[0]=t[0],fu[1]=t[1],fu[2]=t[2],this._state.offsetsBuf.setData(fu,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;vu[0]=t[0],vu[1]=t[4],vu[2]=t[8],vu[3]=t[12],this._state.modelMatrixCol0Buf.setData(vu,i),vu[0]=t[1],vu[1]=t[5],vu[2]=t[9],vu[3]=t[13],this._state.modelMatrixCol1Buf.setData(vu,i),vu[0]=t[2],vu[1]=t[6],vu[2]=t[10],vu[3]=t[14],this._state.modelMatrixCol2Buf.setData(vu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),mu=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),_u=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),yu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),bu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),xu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),wu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),Bu=re.vec3(),Pu=re.vec3(),Cu=re.vec3(),Mu=re.vec3(),Eu=re.mat4(),Fu=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Bu;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Pu;if(l){var m=Cu;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Eu),(f=Mu)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ku=re.vec3(),Iu=re.vec3(),Du=re.vec3(),Su=re.vec3(),Tu=re.mat4(),Ru=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ku;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Iu;if(l){var m=Du;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Tu),(f=Su)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Lu=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new _u(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new bu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new xu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new wu(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Fu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Ru(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Uu={};var Ou=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]})),Nu=function(){function e(t){B(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Uu[t];return i||(i=new Lu(e),Uu[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete Uu[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ou(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor,u=this._buffer,A=u.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(var c=0,h=s.length;c<h;c++)u.positions.push(s[c]);i=s.length/3}else{if(!r)throw"positions expected";i=r.length/3,r.length,u.positions.length;for(var d=0,p=r.length;d<p;d++)u.positions.push(r[d])}if(o)for(var f=0,v=o.length;f<v;f++)u.colors.push(o[f]);else if(a)for(var g=0,m=a.length;g<m;g++)u.colors.push(255*a[g]);else if(n)for(var _=n[0],y=n[1],b=n[2],x=0;x<i;x++)u.colors.push(_),u.colors.push(y),u.colors.push(b),u.colors.push(1);for(var w=u.pickColors.length,B=w,P=w+4*i;B<P;B+=4)u.pickColors.push(l[0]),u.pickColors.push(l[1]),u.pickColors.push(l[2]),u.pickColors.push(l[3]);if(this.model.scene.entityOffsetsEnabled)for(var C=0;C<i;C++)u.offsets.push(0),u.offsets.push(0),u.offsets.push(0);var M=this._portions.length/2;return this._portions.push(A),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._meshes.push(e),M}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Ma(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.STATIC_DRAW,!1)}if(i.positions.length>0){var o=i.positions.length/3,a=new Float32Array(o);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var l=new Uint8Array(i.pickColors);e.pickColorsBuf=new Gt(t,t.ARRAY_BUFFER,l,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var u=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,u,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&We),A=!!(t&Ze),c=!!(t&qe),h=!!(t&$e),d=!!(t&Xe),p=!!(t&Ke);r=!u||p||A||c&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,s=!u||p?Ro.NOT_RENDERED:h?Ro.SILHOUETTE_SELECTED:c?Ro.SILHOUETTE_HIGHLIGHTED:A?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;for(var f=u&&!p&&d?Ro.PICK:Ro.NOT_RENDERED,v=t&Je?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),Qu=function(e){g(i,Ho);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),Vu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Hu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),ju=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),Gu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),zu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Wu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),Ku=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Xu=re.vec3(),Ju=re.vec3(),Yu=re.vec3();re.vec3();var Zu=re.mat4(),qu=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=Xu;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ju;if(l){var g=re.transformPoint3(A,l,Yu);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,Zu),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),$u=re.vec3(),eA=re.vec3(),tA=re.vec3();re.vec3();var iA=re.mat4(),rA=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=$u;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=eA;if(l){var g=re.transformPoint3(A,l,tA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,iA),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),sA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Vu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Hu(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Wu(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ju(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Gu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new zu(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Ku(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new qu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new rA(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),nA={};var oA=new Uint8Array(4),aA=new Float32Array(1),lA=new Float32Array(3),uA=new Float32Array(4),AA=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=nA[r])||(s=new sA(i),nA[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete nA[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ai({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new Gt(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new Gt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new Gt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";oA[0]=t[0],oA[1]=t[1],oA[2]=t[2],this._state.colorsBuf.setData(oA,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?255:0)<<16,aA[0]=A,this._state.flagsBuf.setData(aA,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(lA[0]=t[0],lA[1]=t[1],lA[2]=t[2],this._state.offsetsBuf.setData(lA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;uA[0]=t[0],uA[1]=t[4],uA[2]=t[8],uA[3]=t[12],this._state.modelMatrixCol0Buf.setData(uA,i),uA[0]=t[1],uA[1]=t[5],uA[2]=t[9],uA[3]=t[13],this._state.modelMatrixCol1Buf.setData(uA,i),uA[0]=t[2],uA[1]=t[6],uA[2]=t[10],uA[3]=t[14],this._state.modelMatrixCol2Buf.setData(uA,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),cA=re.vec3(),hA=re.vec3(),dA=re.mat4(),pA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate,d=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=cA;if(f){var m=re.transformPoint3(c,u,hA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,dA)}else p=d;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,cA);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),fA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new pA(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),vA={};var gA=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),mA=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),_A=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;B(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),yA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(yA,null,4));var e=0;Object.keys(yA).forEach((function(t){t.startsWith("size")&&(e+=yA[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/yA.totalLines).toFixed(2)));var t={};Object.keys(yA).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((yA[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var bA=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);yA.sizeDataColorsAndFlags+=l.byteLength,yA.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);yA.sizeDataTextureOffsets+=s.byteLength,yA.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);yA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);yA.sizeDataPositionDecodeMatrices+=n.byteLength,yA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);yA.sizeDataTexturePositions+=o.byteLength,yA.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var A=t[a];o.set(A,l),l+=A.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,c,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),yA.sizeDataTexturePortionIds+=n.byteLength,yA.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,o,r,s)}}]),e}(),xA=new xa,wA=xA.maxDataTextureHeight,BA=new Float32Array(16),PA=new Uint8Array(4),CA=new Float32Array(3),MA=0,EA=re.identityMat4(),FA=function(){function e(t,i){var r,s,n;B(this,e),yA.numberOfLayers++,this._layerNumber=MA++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=vA[s])||(n=new fA(r),vA[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete vA[s],n._destroy()}))),n),this.model=t,this._buffer=new gA,this._dataTextureState=new mA,this._dataTextureGenerator=new bA,this._state=new Ai({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&yA.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*wA||s+o>4096*wA)&&yA.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*wA&&s+o<=4096*wA)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;yA.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var A,c=0;n&&(c=n.length/2,u<=256?(A=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(A=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(A=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),A.push(n));return this._state.numVertices+=u,yA.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:c,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||EA),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var A=this._subPortions.length;if(t.numLines>0){var c,h=2*t.numLines;t.numVertices<=256?(c=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,yA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(c=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,yA.totalLines16Bits+=t.numLines):(c=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,yA.totalLines32Bits+=t.numLines),yA.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)c.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,yA.numberOfPortions++,A}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],PA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(PA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,PA))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&We),a=!!(t&Ze),l=!!(t&qe),u=!!(t&$e),A=!!(t&Xe),c=!!(t&Ke);s=!o||c||a?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!o||c?Ro.NOT_RENDERED:u?Ro.SILHOUETTE_SELECTED:l?Ro.SILHOUETTE_HIGHLIGHTED:a?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var h=o&&!c&&A?Ro.PICK:Ro.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;PA[0]=s,PA[1]=n,PA[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,PA))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;PA[0]=r,PA[1]=0,PA[2]=1,PA[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,PA))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;CA[0]=t[0],CA[1]=t[1],CA[2]=t[2],i.texturePerObjectOffsets._textureData.set(CA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,CA))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;BA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(BA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,BA))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),kA=re.vec3(),IA=re.vec3(),DA=re.vec3();re.vec3();var SA=re.vec4(),TA=re.mat4(),RA=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=kA;if(f){var m=re.transformPoint3(c,u,IA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,TA),(p=DA)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,kA);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new jt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var A=i.drawingBufferWidth,c=i.drawingBufferHeight;SA[0]=A,SA[1]=c,SA[2]=u.blendCutoff,SA[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,SA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),LA=new Float32Array([1,1,1]),UA=re.vec3(),OA=re.vec3(),NA=re.vec3();re.vec3();var QA=re.mat4(),VA=function(){function e(t,i){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate,d=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==A[0]||0!==A[1]||0!==A[2]){var v=UA;if(u){var g=OA;re.transformPoint3(c,u,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=A[0],v[1]+=A[1],v[2]+=A[2],p=Ve(d,v,QA),(f=NA)[0]=s.eye[0]-v[0],f[1]=s.eye[1]-v[1],f[2]=s.eye[2]-v[2]}else p=d,f=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,f),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===Ro.SILHOUETTE_XRAYED){var m=r.xrayMaterial._state,_=m.fillColor,y=m.fillAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===Ro.SILHOUETTE_HIGHLIGHTED){var b=r.highlightMaterial._state,x=b.fillColor,w=b.fillAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],w)}else if(i===Ro.SILHOUETTE_SELECTED){var B=r.selectedMaterial._state,P=B.fillColor,C=B.fillAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],C)}else o.uniform4fv(this._uColor,LA);if(r.logarithmicDepthBufferEnabled){var M=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,M)}var E=r._sectionPlanesState.getNumAllocatedSectionPlanes(),F=r._sectionPlanesState.sectionPlanes.length;if(E>0)for(var k=r._sectionPlanesState.sectionPlanes,I=t.layerIndex*F,D=n.renderFlags,S=0;S<E;S++){var T=this._uSectionPlanes[S];if(T)if(S<F){var R=D.sectionPlanesActivePerLayer[I+S];if(o.uniform1i(T.active,R?1:0),R){var L=k[S];if(u){var U=ze(L.dist,L.dir,u,UA);o.uniform3fv(T.pos,U)}else o.uniform3fv(T.pos,L.pos);o.uniform3fv(T.dir,L.dir)}}else o.uniform1i(T.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),HA=new Float32Array([0,0,0,1]),jA=re.vec3(),GA=re.vec3();re.vec3();var zA=re.mat4(),WA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=jA;if(f){var m=re.transformPoint3(c,u,GA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,zA)}else p=d;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===Ro.EDGES_XRAYED){var _=s.xrayMaterial._state,y=_.edgeColor,b=_.edgeAlpha;o.uniform4f(this._uColor,y[0],y[1],y[2],b)}else if(i===Ro.EDGES_HIGHLIGHTED){var x=s.highlightMaterial._state,w=x.edgeColor,B=x.edgeAlpha;o.uniform4f(this._uColor,w[0],w[1],w[2],B)}else if(i===Ro.EDGES_SELECTED){var P=s.selectedMaterial._state,C=P.edgeColor,M=P.edgeAlpha;o.uniform4f(this._uColor,C[0],C[1],C[2],M)}else o.uniform4fv(this._uColor,HA);var E=s._sectionPlanesState.getNumAllocatedSectionPlanes(),F=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var k=s._sectionPlanesState.sectionPlanes,I=t.layerIndex*F,D=r.renderFlags,S=0;S<E;S++){var T=this._uSectionPlanes[S];if(T)if(S<F){var R=D.sectionPlanesActivePerLayer[I+S];if(o.uniform1i(T.active,R?1:0),R){var L=k[S];if(u){var U=ze(L.dist,L.dir,u,jA);o.uniform3fv(T.pos,U)}else o.uniform3fv(T.pos,L.pos);o.uniform3fv(T.dir,L.dir)}}else o.uniform1i(T.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),KA=re.vec3(),XA=re.vec3(),JA=re.mat4(),YA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=KA;if(f){var m=re.transformPoint3(c,u,XA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,JA)}else p=d;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),y=s._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=s._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=r.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=ze(M.dist,M.dir,u,KA);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ZA=re.vec3(),qA=re.vec3(),$A=re.vec3(),ec=re.mat4(),tc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate;A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==c[0]||0!==c[1]||0!==c[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(f||v){var g=ZA;if(f){var m=re.transformPoint3(d,c,qA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=h[0],g[1]+=h[1],g[2]+=h[2],r=Ve(a.viewMatrix,g,ec),(s=$A)[0]=a.eye[0]-g[0],s[1]=a.eye[1]-g[1],s[2]=a.eye[2]-g[2]}else r=a.viewMatrix,s=a.eye;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var _=2/(Math.log(a.project.far+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,_)}var y=o._sectionPlanesState.getNumAllocatedSectionPlanes(),b=o._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=o._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(l.uniform1i(C.active,M?1:0),M){var E=x[P];if(c){var F=ze(E.dist,E.dir,c,ZA);l.uniform3fv(C.pos,F)}else l.uniform3fv(C.pos,E.pos);l.uniform3fv(C.dir,E.dir)}}else l.uniform1i(C.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ic=re.vec3(),rc=re.vec3(),sc=re.vec3();re.vec3();var nc=re.mat4(),oc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=e.pickViewMatrix||a.viewMatrix;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),c||0!==h[0]||0!==h[1]||0!==h[2]){var v=ic;if(c){var g=rc;re.transformPoint3(d,c,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=h[0],v[1]+=h[1],v[2]+=h[2],r=Ve(f,v,nc),(s=sc)[0]=a.eye[0]-v[0],s[1]=a.eye[1]-v[1],s[2]=a.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),o.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,m)}var _=o._sectionPlanesState.getNumAllocatedSectionPlanes(),y=o._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(l.uniform1i(P.active,C?1:0),C){var M=b[B];if(c){var E=ze(M.dist,M.dir,c,ic);l.uniform3fv(P.pos,E)}else l.uniform3fv(P.pos,M.pos);l.uniform3fv(P.dir,M.dir)}}else l.uniform1i(P.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ac=re.vec3(),lc=re.vec3(),uc=re.vec3(),Ac=re.vec3();re.vec3();var cc=re.mat4(),hc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=t.aabb,v=e.pickViewMatrix||a.viewMatrix,g=ac;g[0]=re.safeInv(f[3]-f[0])*re.MAX_INT,g[1]=re.safeInv(f[4]-f[1])*re.MAX_INT,g[2]=re.safeInv(f[5]-f[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(g[0]),e.snapPickCoordinateScale[1]=re.safeInv(g[1]),e.snapPickCoordinateScale[2]=re.safeInv(g[2]),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==c[0]||0!==c[1]||0!==c[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=lc;if(m){var b=re.transformPoint3(d,c,uc);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=Ve(v,y,cc),(s=Ac)[0]=a.eye[0]-y[0],s[1]=a.eye[1]-y[1],s[2]=a.eye[2]-y[2],e.snapPickOrigin[0]=y[0],e.snapPickOrigin[1]=y[1],e.snapPickOrigin[2]=y[2]}else r=v,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,g),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var x=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x);var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(c){var D=ze(I.dist,I.dir,c,ac);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}var S="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(S,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(S,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(S,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),dc=re.vec3(),pc=re.vec3(),fc=re.vec3(),vc=re.vec3();re.vec3();var gc=re.mat4(),mc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=t.aabb,v=e.pickViewMatrix||a.viewMatrix,g=dc;g[0]=re.safeInv(f[3]-f[0])*re.MAX_INT,g[1]=re.safeInv(f[4]-f[1])*re.MAX_INT,g[2]=re.safeInv(f[5]-f[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(g[0]),e.snapPickCoordinateScale[1]=re.safeInv(g[1]),e.snapPickCoordinateScale[2]=re.safeInv(g[2]),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==c[0]||0!==c[1]||0!==c[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=pc;if(m){var b=fc;re.transformPoint3(d,c,b),y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=Ve(v,y,gc),(s=vc)[0]=a.eye[0]-y[0],s[1]=a.eye[1]-y[1],s[2]=a.eye[2]-y[2],e.snapPickOrigin[0]=y[0],e.snapPickOrigin[1]=y[1],e.snapPickOrigin[2]=y[2]}else r=v,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,g),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var x=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x);var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(c){var D=ze(I.dist,I.dir,c,dc);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),_c=re.vec3(),yc=re.vec3(),bc=re.vec3();re.vec3();var xc=re.mat4(),wc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==A[0]||0!==A[1]||0!==A[2]){var v=_c;if(u){var g=yc;re.transformPoint3(c,u,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=A[0],v[1]+=A[1],v[2]+=A[2],p=Ve(d,v,xc),(f=bc)[0]=n.eye[0]-v[0],f[1]=n.eye[1]-v[1],f[2]=n.eye[2]-v[2]}else p=d,f=n.eye;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(u){var M=ze(C.dist,C.dir,u,_c);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Bc=re.vec3(),Pc=re.vec3(),Cc=re.vec3();re.vec3();var Mc=re.mat4(),Ec=function(){function e(t){B(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=Bc;if(f){var m=re.transformPoint3(c,u,Pc);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,Mc),(p=Cc)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,Bc);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Fc=re.vec3(),kc=re.vec3(),Ic=re.vec3();re.vec3();var Dc=re.mat4(),Sc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var f=0!==l[0]||0!==l[1]||0!==l[2],v=0!==u[0]||0!==u[1]||0!==u[2];if(f||v){var g=Fc;if(f){var m=kc;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],d=Ve(h,g,Dc),(p=Ic)[0]=n.eye[0]-g[0],p[1]=n.eye[1]-g[1],p[2]=n.eye[2]-g[2]}else d=h,p=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),y=s._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=s._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=r.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(l){var E=ze(M.dist,M.dir,l,Fc);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(St.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Tc=re.vec3(),Rc=re.vec3(),Lc=re.vec3();re.vec3(),re.vec4();var Uc=re.mat4(),Oc=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=Tc;if(f){var m=re.transformPoint3(c,u,Rc);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,Uc),(p=Lc)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,Tc);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Nc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new VA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new tc(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new oc(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new Oc(this._scene)),this._snapRenderer||(this._snapRenderer=new hc(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new mc(this._scene)),this._snapRenderer||(this._snapRenderer=new hc(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new RA(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new RA(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new VA(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Ec(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new Sc(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new WA(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new YA(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new tc(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Oc(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Oc(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new oc(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new hc(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new mc(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new wc(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),Qc={};var Vc=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),Hc=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),jc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(jc,null,4));var e=0;Object.keys(jc).forEach((function(t){t.startsWith("size")&&(e+=jc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/jc.totalPolygons).toFixed(2)));var t={};Object.keys(jc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((jc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var Gc=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var A=new Uint8Array(16384*u);jc.sizeDataColorsAndFlags+=A.byteLength,jc.numberOfTextures++;for(var c=0;c<a;c++)A.set(t[c],32*c+0),A.set(i[c],32*c+4),A.set([0,0,0,0],32*c+8),A.set([0,0,0,0],32*c+12),A.set([r[c]>>24&255,r[c]>>16&255,r[c]>>8&255,255&r[c]],32*c+16),A.set([s[c]>>24&255,s[c]>>16&255,s[c]>>8&255,255&s[c]],32*c+20),A.set([n[c]>>24&255,n[c]>>16&255,n[c]>>8&255,255&n[c]],32*c+24),A.set([o[c]?1:0,0,0,0],32*c+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,A,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,h,l,u,A)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);jc.sizeDataTextureOffsets+=s.byteLength,jc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);jc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);jc.sizeDataPositionDecodeMatrices+=n.byteLength,jc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);jc.sizeDataTexturePositions+=o.byteLength,jc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var A=t[a];o.set(A,l),l+=A.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,c,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),jc.sizeDataTexturePortionIds+=n.byteLength,jc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,o,r,s)}}]),e}(),zc=new xa,Wc=zc.maxDataTextureHeight,Kc=re.vec4(),Xc=new Float32Array(16),Jc=new Uint8Array(4),Yc=new Float32Array(3),Zc=0,qc=re.identityMat4(),$c=function(){function e(t,i){var r,s,n;B(this,e),jc.numberOfLayers++,this._layerNumber=Zc++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=Qc[s])||(n=new Nc(r),Qc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete Qc[s],n._destroy()}))),n),this.model=t,this._buffer=new Vc,this._dtxState=new Hc,this._dtxTextureFactory=new Gc,this._state=new Ai({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&jc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*Wc||s+o>4096*Wc)&&jc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Wc&&s+o<=4096*Wc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;jc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;jc.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var A,c=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,A=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,A=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,A=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,jc.numberOfGeometries++,{vertexBase:c,numVertices:h,numTriangles:f,numEdges:g,indicesBase:A,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,A=e.pickColor,c=this._buffer,h=this._state;c.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),c.perObjectInstancePositioningMatrices.push(u||qc),c.perObjectSolid.push(!!e.solid),a?c.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&c.perObjectColors.push([s[0],s[1],s[2],l]),c.perObjectPickColors.push(A),c.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,c.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,c.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=c.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,jc.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=c.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,jc.totalPolygons16Bits+=t.numTriangles):(p=c.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,jc.totalPolygons32Bits+=t.numTriangles),jc.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=c.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,jc.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=c.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,jc.totalEdges16Bits+=t.numEdges):(g=c.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,jc.totalEdges32Bits+=t.numEdges),jc.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,jc.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;if(Jc[0]=t[0],Jc[1]=t[1],Jc[2]=t[2],Jc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,Jc)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&We),a=!!(t&Ze),l=!!(t&qe),u=!!(t&$e),A=!!(t&et),c=!!(t&Xe),h=!!(t&Ke);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!o||h?Ro.NOT_RENDERED:u?Ro.SILHOUETTE_SELECTED:l?Ro.SILHOUETTE_HIGHLIGHTED:a?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var d=0;d=!o||h?Ro.NOT_RENDERED:u?Ro.EDGES_SELECTED:l?Ro.EDGES_HIGHLIGHTED:a?Ro.EDGES_XRAYED:A?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED;var p=o&&!h&&c?Ro.PICK:Ro.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;Jc[0]=s,Jc[1]=n,Jc[2]=d,Jc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,Jc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;Jc[0]=r,Jc[1]=0,Jc[2]=1,Jc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Jc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;Yc[0]=t[0],Yc[1]=t[1],Yc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Yc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,Yc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;Xc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(Xc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,Xc))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var A=i.origin,c=A[0],h=A[1],d=A[2],p=Kc,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.transformPoint4(this.model.worldMatrix,p),re.transformPoint4(this.model.worldMatrix,p),p[0]+=c,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Ro.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),eh=function(){function e(t){B(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),th=function(){function e(t){B(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),ih={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},rh=function(){function e(t,i,r){B(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),sh=new rh,nh=function(){function e(t){B(this,e),this.manager=void 0!==t?t:sh,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),oh={},ah=function(e){g(i,nh);var t=_(i);function i(e){return B(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=ih.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===oh[e]){oh[e]=[],oh[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=oh[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),A=0,c=i.length;A<c;A++){var h=i[A];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){ih.add(e,t);var i=oh[e];delete oh[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=oh[e];if(void 0===i)throw s.manager.itemError(e),t;delete oh[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else oh[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),lh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;B(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),uh=0,Ah=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;B(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new lh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new ah;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new ah;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=c(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* 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t=this.items[e];return delete this.items[e],t}}]),e}(),z=new G,W=C((function e(t){B(this,e),this.id=t,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0})),K=C((function e(){B(this,e),this.items=[]})),X=C((function e(t,i,r,s,n){B(this,e),this.id=t,this.getTitle=i,this.doAction=r,this.getEnabled=s,this.getShown=n,this.itemElement=null,this.subMenu=null,this.enabled=!0})),J=function(){function e(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._id=z.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==i.hideOnMouseDown&&(document.addEventListener("mousedown",(function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),i.items&&(this.items=i.items),this._hideOnAction=!1!==i.hideOnAction,this.context=i.context,this.enabled=!1!==i.enabled,this.hide()}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"items",get:function(){return this._itemsCfg},set:function(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}},{key:"enabled",get:function(){return this._enabled},set:function(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}},{key:"context",get:function(){return this._context},set:function(e){this._context=e}},{key:"show",value:function(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}},{key:"shown",get:function(){return this._shown}},{key:"hide",value:function(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}},{key:"destroy",value:function(){this._context=null,this._clear(),null!==this._id&&(z.removeItem(this._id),this._id=null)}},{key:"_clear",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e].menuElement;i.parentElement.removeChild(i)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}},{key:"_parseItems",value:function(e){var t=this;this._rootMenu=function e(i){for(var r=t._getNextId(),s=new W(r),n=0,o=i.length;n<o;n++){var a=i[n],l=new K;s.groups.push(l);for(var u=function(i,r){var n=a[i],o=n.items,u=o&&o.length>0,A=t._getNextId(),c=n.getTitle||function(){return n.title||""},h=n.doAction||n.callback||function(){},d=n.getEnabled||function(){return!0},p=n.getShown||function(){return!0},f=new X(A,c,h,d,p);if(f.parentMenu=s,l.items.push(f),u){var v=e(o);f.subMenu=v,v.parentItem=f}t._itemList.push(f),t._itemMap[f.id]=f},A=0,c=a.length;A<c;A++)u(A)}return t._menuList.push(s),t._menuMap[s.id]=s,s}(e)}},{key:"_getNextId",value:function(){return"ContextMenu_"+this._id+"_"+this._nextId++}},{key:"_createUI",value:function(){var e=this;!function t(i){e._createMenuUI(i);for(var r=i.groups,s=0,n=r.length;s<n;s++)for(var o=r[s].items,a=0,l=o.length;a<l;a++){var u=o[a].subMenu;u&&t(u)}}(this._rootMenu)}},{key:"_createMenuUI",value:function(e){var t=this,i=e.groups,r=[];if(r.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),r.push("<ul>"),i)for(var s=0,n=i.length;s<n;s++){var o=s,a=n,l=i[s].items;if(l)for(var u=0,A=l.length;u<A;u++){var c=l[u],h=c.subMenu,d=c.title||"";h?r.push('<li id="'+c.id+'" class="xeokit-context-menu-item" style="'+(o===a-1||u<A-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+d+" [MORE]</li>"):r.push('<li id="'+c.id+'" class="xeokit-context-menu-item" style="'+(o===a-1||u<A-1?"border-bottom: 0":"border-bottom: 1px solid black")+'">'+d+"</li>")}}r.push("</ul>"),r.push("</div>");var p=r.join("");document.body.insertAdjacentHTML("beforeend",p);var f=document.querySelector("."+e.id);e.menuElement=f,f.style["border-radius"]="4px",f.style.display="none",f.style["z-index"]=3e5,f.style.background="white",f.style.border="1px solid black",f.style["box-shadow"]="0 4px 5px 0 gray",f.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(i)for(var m=0,_=i.length;m<_;m++){var y=i[m].items;if(y)for(var b=function(e,i){var r=y[e],s=r.subMenu;if(r.itemElement=document.getElementById(r.id),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var i=r.itemElement,s=t.menuElement,n=i.getBoundingClientRect();s.getBoundingClientRect();n.right+200>window.innerWidth?v._showMenu(t.id,n.left-200,n.top-1):v._showMenu(t.id,n.right-5,n.top-1),g=t}}else g&&(v._hideMenu(g.id),g=null)})),s||(r.itemElement.addEventListener("click",(function(e){e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus()))})),r.itemElement.addEventListener("mouseup",(function(e){3===e.which&&(e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus())))})),r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault(),!1!==r.enabled&&r.doHover&&r.doHover(v._context)})))},x=0,w=y.length;x<w;x++)b(x)}}},{key:"_updateItemsTitles",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getShown;if(s&&s(this._context)){var n=i.getTitle(this._context);i.subMenu,r.innerText=n}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.visibility="visible",r.style.height="auto",r.style.padding=null;var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.visibility="hidden",r.style.height="0",r.style.padding="0"}}}}}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),Y=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){var n=this._snappedCanvasPos[0]-this._canvasPos[0],o=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(s[0]+n*this._zoomLevel-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]+o*this._zoomLevel-10,"px")}else this._lensCursorDiv.style.marginLeft="".concat(s[0]-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]-10,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new q(4),re={setDoublePrecisionEnabled:function(e){q=(Z=e)?Float64Array:Float32Array},getDoublePrecisionEnabled:function(){return Z},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId:function(e,t){var i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:function(e,t){return e+"#"+t},safeInv:function(e){var t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:function(e){return new q(e||2)},vec3:function(e){return new q(e||3)},vec4:function(e){return new q(e||4)},mat3:function(e){return new q(e||9)},mat3ToMat4:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new q(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},mat4:function(e){return new q(e||16)},mat4ToMat3:function(e,t){},doublesToFloats:function(e,t,i){for(var r=new q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i},divVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i},divScalarVec4:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i},dotVec4:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},cross3Vec4:function(e,t){var i=e[0],r=e[1],s=e[2],n=t[0],o=t[1],a=t[2];return[r*a-s*o,s*n-i*a,i*o-r*n,0]},cross3Vec3:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=t[0],a=t[1],l=t[2];return i[0]=s*l-n*a,i[1]=n*o-r*l,i[2]=r*a-s*o,i},sqLenVec4:function(e){return re.dotVec4(e,e)},lenVec4:function(e){return Math.sqrt(re.sqLenVec4(e))},dotVec3:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]},dotVec2:function(e,t){return e[0]*t[0]+e[1]*t[1]},sqLenVec3:function(e){return re.dotVec3(e,e)},sqLenVec2:function(e){return re.dotVec2(e,e)},lenVec3:function(e){return Math.sqrt(re.sqLenVec3(e))},distVec3:(j=new q(3),function(e,t){return re.lenVec3(re.subVec3(e,t,j))}),lenVec2:function(e){return Math.sqrt(re.sqLenVec2(e))},distVec2:function(){var e=new q(2);return function(t,i){return re.lenVec2(re.subVec2(t,i,e))}}(),rcpVec3:function(e,t){return re.divScalarVec3(1,e,t)},normalizeVec4:function(e,t){var i=1/re.lenVec4(e);return re.mulVec4Scalar(e,i,t)},normalizeVec3:function(e,t){var i=1/re.lenVec3(e);return re.mulVec3Scalar(e,i,t)},normalizeVec2:function(e,t){var i=1/re.lenVec2(e);return re.mulVec2Scalar(e,i,t)},angleVec3:function(e,t){var i=re.dotVec3(e,t)/Math.sqrt(re.sqLenVec3(e)*re.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:function(){var e=new q(3);return function(t,i){return e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=re.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=re.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=re.lenVec3(e),i}}(),vecToArray:function(){function e(e){return Math.round(1e5*e)/1e5}return function(t){for(var i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],A=e[7],c=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],x=t[3],w=t[4],B=t[5],P=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*c+x*f,i[1]=_*s+y*l+b*h+x*v,i[2]=_*n+y*u+b*d+x*g,i[3]=_*o+y*A+b*p+x*m,i[4]=w*r+B*a+P*c+C*f,i[5]=w*s+B*l+P*h+C*v,i[6]=w*n+B*u+P*d+C*g,i[7]=w*o+B*A+P*p+C*m,i[8]=M*r+E*a+F*c+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*A+F*p+k*m,i[12]=I*r+D*a+S*c+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*A+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],A=e[5],c=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+A*f+c*m,i[5]=u*d+A*v+c*_,i[8]=u*p+A*g+c*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],A=e[3],c=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=c,e[11]=r,e[12]=A,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],A=e[9],c=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*A*a*s-u*p*a*s-d*o*c*s+n*p*c*s+u*o*f*s-n*A*f*s-d*A*r*l+u*p*r*l+d*i*c*l-t*p*c*l-u*i*f*l+t*A*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*A*r*v+u*i*a*v-t*A*a*v-n*i*c*v+t*o*c*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],A=e[8],c=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,x=r*u-n*a,w=s*u-n*l,B=A*f-c*p,P=A*v-h*p,C=A*g-d*p,M=c*v-h*f,E=c*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-x*P+w*B);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*x+g*b)*k,t[3]=(-c*w+h*x-d*b)*k,t[4]=(-o*F+l*C-u*P)*k,t[5]=(i*F-s*C+n*P)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(A*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*B)*k,t[9]=(-i*E+r*C-n*B)*k,t[10]=(p*x-f*y+g*m)*k,t[11]=(-A*x+c*y-d*m)*k,t[12]=(-o*M+a*P-l*B)*k,t[13]=(i*M-r*P+s*B)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(A*b-c*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),A=Math.sin(e),c=Math.cos(e),h=1-c,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*A,a=p*A,l=f*A,(i=i||re.mat4())[0]=h*d*d+c,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+c,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+c,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,A=r*a,c=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=c+m,i[2]=h-g,i[3]=0,i[4]=c-m,i[5]=1-(A+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(A+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],A=e[2],c=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-A,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-A,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(A,-1,1)),Math.abs(A)<.99999?(i[0]=Math.atan2(c,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-A,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:re.mat4();return re.quaternionToRotationMat4(t,r),re.scaleMat4v(i,r),re.translateMat4v(e,r),r},decomposeMat4:function(){var e=new q(3),t=new q(16);return function(i,r,s,n){e[0]=i[0],e[1]=i[1],e[2]=i[2];var o=re.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];var a=re.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];var l=re.lenVec3(e);re.determinantMat4(i)<0&&(o=-o),r[0]=i[12],r[1]=i[13],r[2]=i[14],t.set(i);var u=1/o,A=1/a,c=1/l;return t[0]*=u,t[1]*=u,t[2]*=u,t[4]*=A,t[5]*=A,t[6]*=A,t[8]*=c,t[9]*=c,t[10]*=c,re.mat4ToQuaternion(t,s),n[0]=o,n[1]=a,n[2]=l,this}}(),getColMat4:function(e,t){var i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4:function(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v:function(e,t,i,r){r||(r=re.mat4());var s,n,o,a,l,u,A,c,h,d,p=e[0],f=e[1],v=e[2],g=i[0],m=i[1],_=i[2],y=t[0],b=t[1],x=t[2];return p===y&&f===b&&v===x?re.identityMat4():(s=p-y,n=f-b,o=v-x,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),A=n*u-o*l,c=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(A*A+c*c+h*h))?(A*=d=1/d,c*=d,h*=d):(A=0,c=0,h=0),r[0]=a,r[1]=A,r[2]=s,r[3]=0,r[4]=l,r[5]=c,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(A*p+c*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,A=e[0],c=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],x=e[12],w=e[13],B=e[14],P=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=A*r+p*s+m*n+x,a[1]=c*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+B,a[3]=d*r+g*s+b*n+P;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2];e[3];var c=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+c*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=A*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2],c=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=A*r+p*s+m*n+x,o[i+3]=c*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),A=Math.sin(s),c=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l-u*A*c):"YXZ"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l+u*A*c):"ZXY"===t?(i[0]=u*a*l-o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l-u*A*c):"ZYX"===t?(i[0]=u*a*l-o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l+u*A*c):"YZX"===t?(i[0]=u*a*l+o*A*c,i[1]=o*A*l+u*a*c,i[2]=o*a*c-u*A*l,i[3]=o*a*l-u*A*c):"XZY"===t&&(i[0]=u*a*l-o*A*c,i[1]=o*A*l-u*a*c,i[2]=o*a*c+u*A*l,i[3]=o*a*l+u*A*c),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],A=e[6],c=e[10],h=r+a+c;return h>0?(t=.5/Math.sqrt(h+1),i[3]=.25/t,i[0]=(A-l)*t,i[1]=(n-u)*t,i[2]=(o-s)*t):r>a&&r>c?(t=2*Math.sqrt(1+r-a-c),i[3]=(A-l)/t,i[0]=.25*t,i[1]=(s+o)/t,i[2]=(n+u)/t):a>c?(t=2*Math.sqrt(1+a-r-c),i[3]=(n-u)/t,i[0]=(s+o)/t,i[1]=.25*t,i[2]=(l+A)/t):(t=2*Math.sqrt(1+c-r-a),i[3]=(o-s)/t,i[0]=(n+u)/t,i[1]=(l+A)/t,i[2]=.25*t),i},vec3PairToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=Math.sqrt(re.dotVec3(e,e)*re.dotVec3(t,t)),s=r+re.dotVec3(e,t);return s<1e-8*r?(s=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):re.cross3Vec3(e,t,i),i[3]=s,re.normalizeQuaternion(i)},angleAxisToQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=e[3]/2,r=Math.sin(i);return t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(i),t},quaternionToEuler:function(){var e=new q(16);return function(t,i,r){return r=r||re.vec3(),re.quaternionToRotationMat4(t,e),re.mat4ToEuler(e,i,r),r}}(),mulQuaternions:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0],s=e[1],n=e[2],o=e[3],a=t[0],l=t[1],u=t[2],A=t[3];return i[0]=o*a+r*A+s*u-n*l,i[1]=o*l+s*A+n*a-r*u,i[2]=o*u+n*A+r*l-s*a,i[3]=o*A-r*a-s*l-n*u,i},vec3ApplyQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2],o=e[0],a=e[1],l=e[2],u=e[3],A=u*r+a*n-l*s,c=u*s+l*r-o*n,h=u*n+o*s-a*r,d=-o*r-a*s-l*n;return i[0]=A*u+d*-o+c*-l-h*-a,i[1]=c*u+d*-a+h*-o-A*-l,i[2]=h*u+d*-l+A*-a-c*-o,i},quaternionToMat4:function(e,t){t=re.identityMat4(t);var i=e[0],r=e[1],s=e[2],n=e[3],o=2*i,a=2*r,l=2*s,u=o*n,A=a*n,c=l*n,h=o*i,d=a*i,p=l*i,f=a*r,v=l*r,g=l*s;return t[0]=1-(f+g),t[1]=d+c,t[2]=p-A,t[4]=d-c,t[5]=1-(h+g),t[6]=v+u,t[8]=p+A,t[9]=v-u,t[10]=1-(h+f),t},quaternionToRotationMat4:function(e,t){var i=e[0],r=e[1],s=e[2],n=e[3],o=i+i,a=r+r,l=s+s,u=i*o,A=i*a,c=i*l,h=r*a,d=r*l,p=s*l,f=n*o,v=n*a,g=n*l;return t[0]=1-(h+p),t[4]=A-g,t[8]=c+v,t[1]=A+g,t[5]=1-(u+p),t[9]=d-f,t[2]=c-v,t[6]=d+f,t[10]=1-(u+h),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,i=re.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e;return t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t},inverseQuaternion:function(e,t){return re.normalizeQuaternion(re.conjugateQuaternion(e,t))},quaternionToAngleAxis:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=(e=re.normalizeQuaternion(e,ie))[3],r=2*Math.acos(i),s=Math.sqrt(1-i*i);return s<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/s,t[1]=e[1]/s,t[2]=e[2]/s),t[3]=r,t},AABB3:function(e){return new q(e||6)},AABB2:function(e){return new q(e||4)},OBB3:function(e){return new q(e||32)},OBB2:function(e){return new q(e||16)},Sphere3:function(e,t,i,r){return new q([e,t,i,r])},transformOBB3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],A=e[2],c=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],x=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=A*r+p*s+m*n+x,o[i+3]=c*r+f*s+_*n+w;return o},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r){return e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5],re.subVec3(t,e,i),Math.abs(re.lenVec3(i))}}(),getAABB3DiagPoint:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s){e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5];var n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],A=s[2]-r[2],c=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=A>c?A:c,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,t[4]=e[3],t[5]=e[1],t[6]=e[2],t[7]=1,t[8]=e[3],t[9]=e[4],t[10]=e[2],t[11]=1,t[12]=e[0],t[13]=e[4],t[14]=e[2],t[15]=1,t[16]=e[0],t[17]=e[1],t[18]=e[5],t[19]=1,t[20]=e[3],t[21]=e[1],t[22]=e[5],t[23]=1,t[24]=e[3],t[25]=e[4],t[26]=e[5],t[27]=1,t[28]=e[0],t[29]=e[4],t[30]=e[5],t[31]=1,t},positions3ToAABB3:function(){var e=new q(3);return function(t,i,r){i=i||re.AABB3();for(var s,n,o,a=re.MAX_DOUBLE,l=re.MAX_DOUBLE,u=re.MAX_DOUBLE,A=re.MIN_DOUBLE,c=re.MIN_DOUBLE,h=re.MIN_DOUBLE,d=0,p=t.length;d<p;d+=3)r?(e[0]=t[d+0],e[1]=t[d+1],e[2]=t[d+2],re.decompressPosition(e,r,e),s=e[0],n=e[1],o=e[2]):(s=t[d+0],n=t[d+1],o=t[d+2]),s<a&&(a=s),n<l&&(l=n),o<u&&(u=o),s>A&&(A=s),n>c&&(c=n),o>h&&(h=o);return i[0]=a,i[1]=l,i[2]=u,i[3]=A,i[4]=c,i[5]=h,i}}(),OBB3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB3(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MAX_DOUBLE,l=re.MIN_DOUBLE,u=re.MIN_DOUBLE,A=re.MIN_DOUBLE,c=0,h=e.length;c<h;c+=4)(t=e[c+0])<n&&(n=t),(i=e[c+1])<o&&(o=i),(r=e[c+2])<a&&(a=r),t>l&&(l=t),i>u&&(u=i),r>A&&(A=r);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s[4]=u,s[5]=A,s},points3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB3(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MAX_DOUBLE,l=re.MIN_DOUBLE,u=re.MIN_DOUBLE,A=re.MIN_DOUBLE,c=0,h=e.length;c<h;c++)(t=e[c][0])<n&&(n=t),(i=e[c][1])<o&&(o=i),(r=e[c][2])<a&&(a=r),t>l&&(l=t),i>u&&(u=i),r>A&&(A=r);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s[4]=u,s[5]=A,s},points3ToSphere3:function(){var e=new q(3);return function(t,i){i=i||re.vec4();var r,s=0,n=0,o=0,a=t.length;for(r=0;r<a;r++)s+=t[r][0],n+=t[r][1],o+=t[r][2];i[0]=s/a,i[1]=n/a,i[2]=o/a;var l,u=0;for(r=0;r<a;r++)(l=Math.abs(re.lenVec3(re.subVec3(t[r],i,e))))>u&&(u=l);return i[3]=u,i}}(),positions3ToSphere3:function(){var e=new q(3),t=new q(3);return function(i,r){r=r||re.vec4();var s,n=0,o=0,a=0,l=i.length,u=0;for(s=0;s<l;s+=3)n+=i[s],o+=i[s+1],a+=i[s+2];var A,c=l/3;for(r[0]=n/c,r[1]=o/c,r[2]=a/c,s=0;s<l;s+=3)e[0]=i[s],e[1]=i[s+1],e[2]=i[s+2],(A=Math.abs(re.lenVec3(re.subVec3(e,r,t))))>u&&(u=A);return r[3]=u,r}}(),OBB3ToSphere3:function(){var e=new q(3),t=new q(3);return function(i,r){r=r||re.vec4();var s,n=0,o=0,a=0,l=i.length,u=l/4;for(s=0;s<l;s+=4)n+=i[s+0],o+=i[s+1],a+=i[s+2];r[0]=n/u,r[1]=o/u,r[2]=a/u;var A,c=0;for(s=0;s<l;s+=4)e[0]=i[s+0],e[1]=i[s+1],e[2]=i[s+2],(A=Math.abs(re.lenVec3(re.subVec3(e,r,t))))>c&&(c=A);return r[3]=c,r}}(),getSphere3Center:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t},getPositionsCenter:function(e){for(var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(),i=0,r=0,s=0,n=0,o=e.length;n<o;n+=3)i+=e[n+0],r+=e[n+1],s+=e[n+2];var a=e.length/3;return t[0]=i/a,t[1]=r/a,t[2]=s/a,t},expandAABB3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e[4]<t[4]&&(e[4]=t[4]),e[5]<t[5]&&(e[5]=t[5]),e},expandAABB3Point3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[0]&&(e[3]=t[0]),e[4]<t[1]&&(e[4]=t[1]),e[5]<t[2]&&(e[5]=t[2]),e},expandAABB3Points3:function(e,t){for(var i,r,s,n=0,o=t.length;n<o;n+=3)i=t[n],r=t[n+1],s=t[n+2],e[0]>i&&(e[0]=i),e[1]>r&&(e[1]=r),e[2]>s&&(e[2]=s),e[3]<i&&(e[3]=i),e[4]<r&&(e[4]=r),e[5]<s&&(e[5]=s);return e},collapseAABB2:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB2();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MIN_DOUBLE,e[3]=re.MIN_DOUBLE,e},point3AABB3Intersect:function(e,t){return e[0]>t[0]||e[3]<t[0]||e[1]>t[1]||e[4]<t[1]||e[2]>t[2]||e[5]<t[2]},point3AABB3AbsoluteIntersect:function(e,t){return e[0]<=t[0]&&e[3]>=t[0]&&e[1]<=t[1]&&e[4]>=t[1]&&e[2]<=t[2]&&e[5]>=t[2]},planeAABB3Intersect:function(e,t,i){var r,s;return e[0]>0?(r=e[0]*i[0],s=e[0]*i[3]):(r=e[0]*i[3],s=e[0]*i[0]),e[1]>0?(r+=e[1]*i[1],s+=e[1]*i[4]):(r+=e[1]*i[4],s+=e[1]*i[1]),e[2]>0?(r+=e[2]*i[2],s+=e[2]*i[5]):(r+=e[2]*i[5],s+=e[2]*i[2]),r<=-t&&s<=-t?-1:r>=-t&&s>=-t?1:0},OBB3ToAABB2:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB2(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE,u=0,A=e.length;u<A;u+=4)t=e[u+0],i=e[u+1],(t*=r=1/(e[u+3]||1))<n&&(n=t),(i*=r)<o&&(o=i),t>a&&(a=t),i>l&&(l=i);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s},expandAABB2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e},expandAABB2Point2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[0]&&(e[2]=t[0]),e[3]<t[1]&&(e[3]=t[1]),e},AABB2ToCanvas:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=.5*(e[0]+1),n=.5*(e[1]+1),o=.5*(e[2]+1),a=.5*(e[3]+1);return r[0]=Math.floor(s*t),r[1]=i-Math.floor(a*i),r[2]=Math.floor(o*t),r[3]=i-Math.floor(n*i),r},tangentQuadraticBezier:function(e,t,i,r){return 2*(1-e)*(i-t)+2*e*(r-i)},tangentQuadraticBezier3:function(e,t,i,r,s){return-3*t*(1-e)*(1-e)+3*i*(1-e)*(1-e)-6*e*i*(1-e)+6*e*r*(1-e)-3*e*e*r+3*e*e*s},tangentSpline:function(e){return 6*e*e-6*e+(3*e*e-4*e+1)+(-6*e*e+6*e)+(3*e*e-2*e)},catmullRomInterpolate:function(e,t,i,r,s){var n=.5*(i-e),o=.5*(r-t),a=s*s;return(2*t-2*i+n+o)*(s*a)+(-3*t+3*i-2*n-o)*a+n*s+t},b2p0:function(e,t){var i=1-e;return i*i*t},b2p1:function(e,t){return 2*(1-e)*e*t},b2p2:function(e,t){return e*e*t},b2:function(e,t,i,r){return this.b2p0(e,t)+this.b2p1(e,i)+this.b2p2(e,r)},b3p0:function(e,t){var i=1-e;return i*i*i*t},b3p1:function(e,t){var i=1-e;return 3*i*i*e*t},b3p2:function(e,t){return 3*(1-e)*e*e*t},b3p3:function(e,t){return e*e*e*t},b3:function(e,t,i,r,s){return this.b3p0(e,t)+this.b3p1(e,i)+this.b3p2(e,r)+this.b3p3(e,s)},triangleNormal:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:re.vec3(),s=t[0]-e[0],n=t[1]-e[1],o=t[2]-e[2],a=i[0]-e[0],l=i[1]-e[1],u=i[2]-e[2],A=n*u-o*l,c=o*a-s*u,h=s*l-n*a,d=Math.sqrt(A*A+c*c+h*h);return 0===d?(r[0]=0,r[1]=0,r[2]=0):(r[0]=A/d,r[1]=c/d,r[2]=h/d),r},rayTriangleIntersect:function(){var e=new q(3),t=new q(3),i=new q(3),r=new q(3),s=new q(3);return function(n,o,a,l,u,A){A=A||re.vec3();var c=re.subVec3(l,a,e),h=re.subVec3(u,a,t),d=re.cross3Vec3(o,h,i),p=re.dotVec3(c,d);if(p<1e-6)return null;var f=re.subVec3(n,a,r),v=re.dotVec3(f,d);if(v<0||v>p)return null;var g=re.cross3Vec3(f,c,s),m=re.dotVec3(o,g);if(m<0||v+m>p)return null;var _=re.dotVec3(h,g)/p;return A[0]=n[0]+_*o[0],A[1]=n[1]+_*o[1],A[2]=n[2]+_*o[2],A}}(),rayPlaneIntersect:function(){var e=new q(3),t=new q(3),i=new q(3),r=new q(3);return function(s,n,o,a,l,u){u=u||re.vec3(),n=re.normalizeVec3(n,e);var A=re.subVec3(a,o,t),c=re.subVec3(l,o,i),h=re.cross3Vec3(A,c,r);re.normalizeVec3(h,h);var d=-re.dotVec3(o,h),p=-(re.dotVec3(s,h)+d)/re.dotVec3(n,h);return u[0]=s[0]+p*n[0],u[1]=s[1]+p*n[1],u[2]=s[2]+p*n[2],u}}(),cartesianToBarycentric:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s,n,o,a){var l=re.subVec3(o,s,e),u=re.subVec3(n,s,t),A=re.subVec3(r,s,i),c=re.dotVec3(l,l),h=re.dotVec3(l,u),d=re.dotVec3(l,A),p=re.dotVec3(u,u),f=re.dotVec3(u,A),v=c*p-h*h;if(0===v)return null;var g=1/v,m=(p*d-h*f)*g,_=(c*f-h*d)*g;return a[0]=1-m-_,a[1]=_,a[2]=m,a}}(),barycentricInsideTriangle:function(e){var t=e[1],i=e[2];return i>=0&&t>=0&&i+t<1},barycentricToCartesian:function(e,t,i,r){var s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:re.vec3(),n=e[0],o=e[1],a=e[2];return s[0]=t[0]*n+i[0]*o+r[0]*a,s[1]=t[1]*n+i[1]*o+r[1]*a,s[2]=t[2]*n+i[2]*o+r[2]*a,s},mergeVertices:function(e,t,i,r){var 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he.isString(e)||he.isNumeric(e)},isSameComponent:function(e,t){return!(!e||!t)&&(he.isNumeric(e)||he.isString(e)?"".concat(e):e.id)===(he.isNumeric(t)||he.isString(t)?"".concat(t):t.id)},isFunction:function(e){return"function"==typeof e},isObject:function(e){var t={}.constructor;return!!e&&e.constructor===t},copy:function(e){return he.apply(e,{})},apply:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t},apply2:function(e,t){for(var i in e)e.hasOwnProperty(i)&&void 0!==e[i]&&null!==e[i]&&(t[i]=e[i]);return t},applyIf:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(void 0!==t[i]&&null!==t[i]||(t[i]=e[i]));return t},isEmptyObject:function(e){for(var t in e)if(e.hasOwnProperty(t))return!1;return!0},inQuotes:function(e){return he.isNumeric(e)?"".concat(e):"'".concat(e,"'")},concat:function(e,t){var i=new e.constructor(e.length+t.length);return i.set(e),i.set(t,e.length),i},flattenParentChildHierarchy:function(e){var t=[];return function e(i){i.id=i.uuid,delete i.oid,t.push(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++){r[s].parent=i.id,e(r[s])}i.children=[]}(e),t}},de={},pe=new G,fe=new oe,ve={sceneId:null,time:null,startTime:null,prevTime:null,deltaTime:null},ge=[],me=0,_e=0;var ye,be,xe,we=new function(){this.version="1.0.0",this.scenes={},this._superTypes={},this._addScene=function(e){if(e.id){if(we.scenes[e.id])return void console.error("[ERROR] Scene ".concat(he.inQuotes(e.id)," already exists"))}else e.id=pe.addItem({});we.scenes[e.id]=e;var t=e.ticksPerOcclusionTest,i=e.ticksPerRender;de[e.id]={ticksPerOcclusionTest:t,ticksPerRender:i,renderCountdown:i},ae.components.scenes++,e.once("destroyed",(function(){pe.removeItem(e.id),delete we.scenes[e.id],delete de[e.id],ae.components.scenes--}))},this.clear=function(){var e;for(var t in we.scenes)we.scenes.hasOwnProperty(t)&&(e=we.scenes[t],"default.scene"===t?e.clear():(e.destroy(),delete we.scenes[e.id]))},this.scheduleTask=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;fe.push(e),fe.push(t)},this.runTasks=function(){for(var e,t,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=(new Date).getTime(),s=0;fe.length>0&&(i<0||r<i);)e=fe.shift(),(t=fe.shift())?e.call(t):e(),r=(new Date).getTime(),s++;return s},this.getNumTasks=function(){return fe.length}},Be=function(){var e=Date.now();if(ce=e-me,me>0&&ce>0){var t=1e3/ce;_e+=t,ge.push(t),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}for(var i in we.scenes)we.scenes[i].compile();Pe(e),me=e};ye=function(){Be()},be=100,xe=Date.now()+be,function e(){var t=Date.now()-xe;ye(),xe+=be,setTimeout(e,Math.max(0,be-t))}();function Pe(e){var t=we.runTasks(e+10),i=we.getNumTasks();ae.frame.tasksRun=t,ae.frame.tasksScheduled=i,ae.frame.tasksBudget=10}!function e(){var t=Date.now();if(ce=t-me,me>0&&ce>0){var i=1e3/ce;_e+=i,ge.push(i),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}Pe(t),function(e){for(var t in ve.time=e,we.scenes)if(we.scenes.hasOwnProperty(t)){var i=we.scenes[t];ve.sceneId=t,ve.startTime=i.startTime,ve.deltaTime=null!=ve.prevTime?ve.time-ve.prevTime:0,i.fire("tick",ve,!0)}ve.prevTime=e}(t),function(){var e,t,i,r,s,n=we.scenes,o=!1;for(s in n)n.hasOwnProperty(s)&&(e=n[s],(t=de[s])||(t=de[s]={}),i=e.ticksPerOcclusionTest,t.ticksPerOcclusionTest!==i&&(t.ticksPerOcclusionTest=i,t.renderCountdown=i),--e.occlusionTestCountdown<=0&&(e.doOcclusionTest(),e.occlusionTestCountdown=i),r=e.ticksPerRender,t.ticksPerRender!==r&&(t.ticksPerRender=r,t.renderCountdown=r),0==--t.renderCountdown&&(e.render(o),t.renderCountdown=r))}(),void 0!==window.requestPostAnimationFrame?window.requestPostAnimationFrame(Be):requestAnimationFrame(e)}();var Ce=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,e),this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=i.viewer;else{if("Scene"===t.type)this.scene=t;else{if(!(t instanceof e))throw"Invalid param: owner must be a Component";this.scene=t.scene}this._owner=t}this._dontClear=!!i.dontClear,this._renderer=this.scene._renderer,this.meta=i.meta||{},this.id=i.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,t&&t._own(this)}return C(e,[{key:"type",get:function(){return"Component"}},{key:"isComponent",get:function(){return!0}},{key:"glRedraw",value:function(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}},{key:"glResort",value:function(){this._renderer&&this._renderer.needStateSort()}},{key:"owner",get:function(){return this._owner}},{key:"isType",value:function(e){return this.type===e}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}},{key:"_message",value:function(e){return" ["+this.type+" "+he.inQuotes(this.id)+"]: "+e}},{key:"warn",value:function(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}},{key:"error",value:function(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}},{key:"_attach",value:function(e){var t=e.name;if(t){var i=e.component,r=e.sceneDefault,s=e.sceneSingleton,n=e.type,o=e.on,a=!1!==e.recompiles;if(i&&(he.isNumeric(i)||he.isString(i))){var l=i;if(!(i=this.scene.components[l]))return void this.error("Component not found: "+he.inQuotes(l))}if(!i)if(!0===s){var u=this.scene.types[n];for(var A in u)if(u.hasOwnProperty){i=u[A];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===r&&!(i=this.scene[t]))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+he.inQuotes(i.id));if(n&&!i.isType(n))return void this.error("Expected a "+n+" type or subtype: "+i.type+" "+he.inQuotes(i.id))}this._attachments||(this._attachments={});var c,h,d,p=this._attached[t];if(p){if(i&&p.id===i.id)return;var f=this._attachments[p.id];for(h=0,d=(c=f.subs).length;h<d;h++)p.off(c[h]);delete this._attached[t],delete this._attachments[p.id];var v=f.params.onDetached;v&&(he.isFunction(v)?v(p):v.scope?v.callback.call(v.scope,p):v.callback(p)),f.managingLifecycle&&p.destroy()}if(i){var g={params:e,component:i,subs:[],managingLifecycle:!1};g.subs.push(i.once("destroyed",(function(){g.params.component=null,this._attach(g.params)}),this)),a&&g.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=g;var m,_,y,b,x=e.onAttached;if(x&&(he.isFunction(x)?x(i):x.scope?x.callback.call(x.scope,i):x.callback(i)),o)for(m in o)if(o.hasOwnProperty(m)){if(_=o[m],he.isFunction(_)?(y=_,b=null):(y=_.callback,b=_.scope),!y)continue;g.subs.push(i.on(m,y,b))}}return a&&this.fire("dirty",this),this.fire(t,i),i}this.error("Component 'name' expected")}},{key:"_checkComponent",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}},{key:"_checkComponent2",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(t.scene.id===this.scene.id){for(var r=0,s=e.length;r<s;r++)if(e[r]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}},{key:"_own",value:function(e){var t=this;this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(function(){delete t._ownedComponents[e.id]}),this)}},{key:"_needUpdate",value:function(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():we.scheduleTask(this._doUpdate,this))}},{key:"_doUpdate",value:function(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}},{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"_update",value:function(){}},{key:"clear",value:function(){if(this._ownedComponents)for(var e in this._ownedComponents){if(this._ownedComponents.hasOwnProperty(e))this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}},{key:"destroy",value:function(){if(!this.destroyed){var e,t,i,r,s,n;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(i=(t=this._attachments[e]).component,s=0,n=(r=t.subs).length;s<n;s++)i.off(r[s]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){B(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){B(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],A=r[6],c=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,c-l,f-h,_-v),e.planes[1].set(a+s,c+l,f+h,_+v),e.planes[2].set(a-n,c-u,f-d,_-g),e.planes[3].set(a+n,c+u,f+d,_+g),e.planes[4].set(a-o,c-A,f-p,_-m),e.planes[5].set(a+o,c+A,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){g(i,Ce);var t=_(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(B(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var A=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,A)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,A)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,A=-(this._canvasMarquee[3]-s)*o+1,c=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,A*a,c*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Re=function(e){g(i,Ce);var t=_(i);function i(e){var r;B(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,A,c=e.marqueePicker,h=c.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(A=setTimeout((function(){var t=c.viewer.scene.input;t.keyDown[t.KEY_CTRL]||c.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,c.setMarqueeCorner1([s,n]),d=!0,c.viewer.cameraControl.pointerEnabled=!1,c.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(A),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,c.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&c.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(A),d&&(c.setMarqueeVisible(!1),d=!1,p=!1,f=!0,c.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(A),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,c.setMarqueeVisible(!0),c.setMarqueeCorner2([o,a]),c.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Le=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){B(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe=function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},Ne=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-4+"px",i.top=Math.round(t)-4+"px";var r=this._dotClickable.style;r.left=Math.round(e)-9+"px",r.top=Math.round(t)-9+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._dot.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Qe=re.vec3(),Ve=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function He(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function je(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,Qe),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,A=e.length;u<A;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function Ge(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function ze(e,t,i,r){var s=re.dotVec3(t,i)+e,n=re.normalizeVec3(t,Qe);return re.mulVec3Scalar(n,-s,r),r}var We=1,Ke=4,Xe=8,Je=16,Ye=32,Ze=256,qe=512,$e=1024,et=2048,tt=new Float32Array([0,0,0]),it=new Uint16Array([0,0,0]);re.OBB3();var rt=function(){function e(t,i,r,s,n,o){B(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(We)},set:function(e){if(!!(this._flags&We)!==e){this._flags=e?this._flags|We:this._flags&~We;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(Ze)},set:function(e){if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Ke)!==e){this._flags=e?this._flags|Ke:this._flags&~Ke;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag(Je)},set:function(e){if(!!(this._flags&Je)!==e){this._flags=e?this._flags|Je:this._flags&~Je;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(Xe)},set:function(e){if(!!(this._flags&Xe)!==e){this._flags=e?this._flags|Xe:this._flags&~Xe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return tt[0]=e[0]/255,tt[1]=e[1]/255,tt[2]=e[2]/255,tt},set:function(e){if(e){it[0]=Math.floor(255*e[0]),it[1]=Math.floor(255*e[1]),it[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(it)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),st=re.vec4(),nt=re.vec4(),ot=function(e){g(i,Ce);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(b(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){st.set(this._viewPos),st[3]=1,re.transformPoint4(this.scene.camera.projMatrix,st,nt);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+nt[0]/nt[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-nt[1]/nt[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;if(this._entity){if(this._entity===e)return;null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null)}this._entity=e,this._entity&&(this._entity instanceof rt?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0)}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),He(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._entity&&(null!==this._onEntityDestroyed&&this._entity.model.off(this._onEntityDestroyed),null!==this._onEntityModelDestroyed&&this._entity.model.off(this._onEntityModelDestroyed)),this._renderer.removeMarker(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),at=function(){};function lt(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var ut=function(e){g(i,ot);var t=_(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};B(this,i);var a=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};(n=t.call(this,e,r))._dot=new Ne(s,{fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:a(o.onMouseOver,"mouseover"),onMouseLeave:a(o.onMouseLeave,"mouseleave"),onMouseWheel:a(o.onMouseWheel,"wheel"),onMouseDown:a(o.onMouseDown,"mousedown"),onMouseUp:a(o.onMouseUp,"mouseup"),onMouseMove:a(o.onMouseMove,"mousemove"),onTouchstart:a(o.onTouchstart,"touchstart"),onTouchmove:a(o.onTouchmove,"touchmove"),onTouchend:a(o.onTouchend,"touchend"),onContextMenu:a(o.onContextMenu,"contextmenu")});var l=function(){var t=n.canvasPos.slice();lt(e.canvas.canvas,s,t),n._dot.setPos(t[0],t[1])};n.on("worldPos",l);var u=e.camera.on("viewMatrix",l),A=e.camera.on("projMatrix",l);return n._cleanup=function(){e.camera.off(u),e.camera.off(A),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setCulled",value:function(e){this._dot.setCulled(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this._dot.setVisible(e)}},{key:"destroy",value:function(){this._cleanup(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function At(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",at),u=r("onMove",at),A=r("onEnd",at),c=s.scene,d=c.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);lt(d.ownerDocument.body,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,c.camera.viewMatrix,c.camera.projMatrix,c.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),A())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return h(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function ct(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",at),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=o.map((function(e){var t;return At(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),c(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),c(!0,e)}})})),c=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return c(!0),function(){A.forEach((function(e){return e()})),u(null)}}var ht=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(o.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),o.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):o.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")}))),this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]="rotate("+t+"deg)",i["-moz-transform"]="rotate("+t+"deg)",i["-ms-transform"]="rotate("+t+"deg)",i["-o-transform"]="rotate("+t+"deg)",i.transform="rotate("+t+"deg)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]="rotate("+t+"deg)",r["-moz-transform"]="rotate("+t+"deg)",r["-ms-transform"]="rotate("+t+"deg)",r["-o-transform"]="rotate("+t+"deg)",r.transform="rotate("+t+"deg)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._wire.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),dt=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu&&(Oe()?(s.addEventListener("touchstart",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null),i._timeout=setTimeout((function(){e.clientX=e.touches[0].clientX,e.clientY=e.touches[0].clientY,r.onContextMenu(e,i),clearTimeout(i._timeout),i._timeout=null}),500)})),s.addEventListener("touchend",(function(e){e.preventDefault(),i._timeout&&(clearTimeout(i._timeout),i._timeout=null)}))):s.addEventListener("contextmenu",(function(e){console.log(e),r.onContextMenu(e,i),e.preventDefault(),e.stopPropagation(),console.log("Label context menu")})))}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden")}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),pt=re.vec3(),ft=re.vec3(),vt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._color=s.color||e.defaultColor;var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._cornerWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(12),r._vp=new Float64Array(12),r._pp=new Float64Array(12),r._cp=new Int16Array(6);var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},c=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))};return r._originDot=new ut(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._cornerDot=new ut(n,s.corner,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._targetDot=new ut(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._originWire=new ht(r._container,{color:r._color||"blue",thickness:1,zIndex:e.zIndex,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._targetWire=new ht(r._container,{color:r._color||"red",thickness:1,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._angleLabel=new dt(r._container,{fillColor:r._color||"#00BBFF",prefix:"",text:"",zIndex:e.zIndex+2,onMouseOver:o,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:c,onMouseMove:h,onContextMenu:l}),r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._visible=!1,r._originVisible=!1,r._cornerVisible=!1,r._targetVisible=!1,r._originWireVisible=!1,r._targetWireVisible=!1,r._angleVisible=!1,r._labelsVisible=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._cornerDot.on("worldPos",(function(e){r._cornerWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.cornerVisible=s.cornerVisible,r.targetVisible=s.targetVisible,r.originWireVisible=s.originWireVisible,r.targetWireVisible=s.targetWireVisible,r.angleVisible=s.angleVisible,r.labelsVisible=s.labelsVisible,r}return C(i,[{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty&&(this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._cornerWorld[0],this._wp[5]=this._cornerWorld[1],this._wp[6]=this._cornerWorld[2],this._wp[7]=1,this._wp[8]=this._targetWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._targetWorld[2],this._wp[11]=1,this._wpDirty=!1,this._vpDirty=!0),this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._wp))return this._angleLabel.setCulled(!0),this._originWire.setCulled(!0),this._targetWire.setCulled(!0),this._originDot.setCulled(!0),this._cornerDot.setCulled(!0),void this._targetDot.setCulled(!0);this._angleLabel.setCulled(!1),this._originWire.setCulled(!1),this._targetWire.setCulled(!1),this._originDot.setCulled(!1),this._cornerDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}if(this._cpDirty){var t=-.3,i=this._originDot.viewPos[2],r=this._cornerDot.viewPos[2],s=this._targetDot.viewPos[2];if(i>t||r>t||s>t)return this._originDot.setVisible(!1),this._cornerDot.setVisible(!1),this._targetDot.setVisible(!1),this._originWire.setVisible(!1),this._targetWire.setVisible(!1),void this._angleLabel.setCulled(!0);re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var n=this._pp,o=this._cp,a=e.canvas.canvas.getBoundingClientRect(),l=this._container.getBoundingClientRect(),u=a.top-l.top,A=a.left-l.left,c=e.canvas.boundary,h=c[2],d=c[3],p=0,f=0,v=n.length;f<v;f+=4)o[p]=A+Math.floor((1+n[f+0]/n[f+3])*h/2),o[p+1]=u+Math.floor((1-n[f+1]/n[f+3])*d/2),p+=2;if(this._originWire.setStartAndEnd(o[0],o[1],o[2],o[3]),this._targetWire.setStartAndEnd(o[2],o[3],o[4],o[5]),this._angleLabel.setPosBetweenWires(o[0],o[1],o[2],o[3],o[4],o[5]),re.subVec3(this._originWorld,this._cornerWorld,pt),re.subVec3(this._targetWorld,this._cornerWorld,ft),!(0===pt[0]&&0===pt[1]&&0===pt[2]||0===ft[0]&&0===ft[1]&&0===ft[2])){var g=this._approximate?" ~ ":" = ";re.normalizeVec3(pt),re.normalizeVec3(ft);var m=Math.abs(re.angleVec3(pt,ft));this._angle=m/re.DEGTORAD,this._angleLabel.setText(g+this._angle.toFixed(2)+"°")}else this._angleLabel.setText("");this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setCulled(!(this._visible&&this._angleVisible&&this.labelsVisible)),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._update(),this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF"),this._color=e}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._originWire.setVisible(this._visible&&this._originWireVisible),this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=!1!==e,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._cpDirty=!0,this._needUpdate()}},{key:"cornerVisible",get:function(){return this._cornerVisible},set:function(e){e=!1!==e,this._cornerVisible=e,this._cornerDot.setVisible(this._visible&&this._cornerVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=!1!==e,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible),this._cpDirty=!0,this._needUpdate()}},{key:"originWireVisible",get:function(){return this._originWireVisible},set:function(e){e=!1!==e,this._originWireVisible=e,this._originWire.setVisible(this._visible&&this._originWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"targetWireVisible",get:function(){return this._targetWireVisible},set:function(e){e=!1!==e,this._targetWireVisible=e,this._targetWire.setVisible(this._visible&&this._targetWireVisible),this._cpDirty=!0,this._needUpdate()}},{key:"angleVisible",get:function(){return this._angleVisible},set:function(e){e=!1!==e,this._angleVisible=e,this._angleLabel.setVisible(this._visible&&this._angleVisible),this._cpDirty=!0,this._needUpdate()}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._angleLabel.setVisible(t),this._cpDirty=!0,this._needUpdate()}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._cornerDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._originWire.setHighlighted(e),this._targetWire.setHighlighted(e),this._angleLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._cornerDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._originWire.setClickable(this._clickable),this._targetWire.setClickable(this._clickable),this._angleLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._cornerDot.destroy(),this._targetDot.destroy(),this._originWire.destroy(),this._targetWire.destroy(),this._angleLabel.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),gt=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),mt=function(e){g(i,gt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),A=re.vec2();this._currentAngleMeasurement=null;var c=function e(t){return t.offsetTop+(t.offsetParent&&t.offsetParent!==i.parentNode&&e(t.offsetParent))},h=function e(t){return t.offsetLeft+(t.offsetParent&&t.offsetParent!==i.parentNode&&e(t.offsetParent))},d=re.vec2(),p=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),A.set(r),e._mouseState){case 0:e._canvasToPagePos?(e._canvasToPagePos(i,r,d),e.markerDiv.style.left="".concat(d[0]-5,"px"),e.markerDiv.style.top="".concat(d[1]-5,"px")):(e.markerDiv.style.left="".concat(h(i)+r[0]-5,"px"),e.markerDiv.style.top="".concat(c(i)+r[1]-5,"px"));break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&p(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||p(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var f=function(t){if(n=!1,s&&(s.visible=!0,s.pointerPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&f(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||f(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),_t=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new mt(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new vt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),yt=function(e){g(i,gt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),A=null,c=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,c())}),e._longTouchTimeoutMs),e._touchState=1,A=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,c()}}),e._longTouchTimeoutMs),e._touchState=4),A=d.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,c()}}),e._longTouchTimeoutMs),e._touchState=7),A=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0],c=u.clientX,h=u.clientY;if(u.identifier===A)switch(l.set([c,h]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var c=r.changedTouches[0],d=c.clientX,p=c.clientY;if(c.identifier===A)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos},corner:{worldPos:f.worldPos},target:{worldPos:f.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement.corner.worldPos=v.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=6);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.target.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),bt=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ct({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),xt=function(e){g(i,bt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),wt=function(e){g(i,bt);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Bt=re.vec3(),Pt=re.vec3(),Ct=re.vec3(),Mt=function(e){g(i,ot);var t=_(i);function i(e,r){var s;if(B(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",b(s))}),s._marker.addEventListener("contextmenu",s._onContextMenuExtenalMarker=function(){s.plugin.fire("contextmenu",b(s))}),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",b(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",b(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),this._marker.addEventListener("contextmenu",(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,Bt),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,Pt),s=re.addVec3(e.worldPos,r,Ct);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._marker.removeEventListener("contextmenu",this._onContextMenuExtenalMarker),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Et=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;return B(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Mt(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Ft=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),kt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],It=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=b(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=A(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new Ft(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<kt.length;e++)try{this.gl=this.canvas.getContext(kt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Dt=function(){function e(t){B(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),Ve(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;Ve(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),St={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Tt=document.createElement("canvas");if(Tt){var Rt=Tt.getContext("webgl",{antialias:!0})||Tt.getContext("experimental-webgl",{antialias:!0});St.WEBGL=!!Rt,St.WEBGL&&(St.ANTIALIAS=Rt.getContextAttributes().antialias,Rt.getShaderPrecisionFormat?Rt.getShaderPrecisionFormat(Rt.FRAGMENT_SHADER,Rt.HIGH_FLOAT).precision>0?St.FS_MAX_FLOAT_PRECISION="highp":Rt.getShaderPrecisionFormat(Rt.FRAGMENT_SHADER,Rt.MEDIUM_FLOAT).precision>0?St.FS_MAX_FLOAT_PRECISION="mediump":St.FS_MAX_FLOAT_PRECISION="lowp":St.FS_MAX_FLOAT_PRECISION="mediump",St.DEPTH_BUFFER_BITS=Rt.getParameter(Rt.DEPTH_BITS),St.MAX_TEXTURE_SIZE=Rt.getParameter(Rt.MAX_TEXTURE_SIZE),St.MAX_CUBE_MAP_SIZE=Rt.getParameter(Rt.MAX_CUBE_MAP_TEXTURE_SIZE),St.MAX_RENDERBUFFER_SIZE=Rt.getParameter(Rt.MAX_RENDERBUFFER_SIZE),St.MAX_TEXTURE_UNITS=Rt.getParameter(Rt.MAX_COMBINED_TEXTURE_IMAGE_UNITS),St.MAX_TEXTURE_IMAGE_UNITS=Rt.getParameter(Rt.MAX_TEXTURE_IMAGE_UNITS),St.MAX_VERTEX_ATTRIBS=Rt.getParameter(Rt.MAX_VERTEX_ATTRIBS),St.MAX_VERTEX_UNIFORM_VECTORS=Rt.getParameter(Rt.MAX_VERTEX_UNIFORM_VECTORS),St.MAX_FRAGMENT_UNIFORM_VECTORS=Rt.getParameter(Rt.MAX_FRAGMENT_UNIFORM_VECTORS),St.MAX_VARYING_VECTORS=Rt.getParameter(Rt.MAX_VARYING_VECTORS),Rt.getSupportedExtensions().forEach((function(e){St.SUPPORTED_EXTENSIONS[e]=!0})))}var Lt=function(){function e(){B(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),Ut=function(){function e(t,i,r){if(B(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),Ot=C((function e(t,i){B(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),Nt=function(){function e(t,i){B(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),Qt=new G({});function Vt(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function Ht(e){console.error(e.join("\n"))}var jt=function(){function e(t,i){B(this,e),this.id=Qt.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new Ut(e,e.VERTEX_SHADER,Vt(this.source.vertex)),this._fragmentShader=new Ut(e,e.FRAGMENT_SHADER,Vt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void Ht(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void Ht(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void Ht(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void Ht(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void Ht(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new Ot(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new Nt(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(Qt.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),Gt=function(){function e(t,i,r,s,n,o,a,l,u){switch(B(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),zt=function(){function e(t,i){B(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],A=l[1];u+10<0||A+10<0||u-10>r||A-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=A):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),Wt=re.vec3([1,0,0]),Kt=re.vec3(),Xt=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new zt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new zt(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new jt(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var A=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,Ve(s.viewMatrix,A));var c=r.sectionPlanes.length;if(c>0)for(var h=r.sectionPlanes,d=0;d<c;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,ze(v.dist,v.dir,A,Kt)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*Wt[0],i=255*Wt[1],r=255*Wt[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,A=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),c=A[0]===t&&A[1]===i&&A[2]===r;l._setVisible(c)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),Jt=re.vec2(),Yt=function(){function e(t){B(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,A=l.far,c=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;Jt[0]=o,Jt[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,A),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,c),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(A/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,Jt),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new jt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Gt(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new Gt(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new Gt(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),Zt=new Float32Array(ri(17,[0,1])),qt=new Float32Array(ri(17,[1,0])),$t=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(ii(r,t));return i}(17,4)),ei=new Float32Array(2),ti=function(){function e(t){B(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new jt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new Gt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new Gt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,A=u.near,c=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),ei[0]=a,ei[1]=l,s.uniform2fv(this._uViewport,ei),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,c),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,qt):s.uniform2fv(this._uSampleOffsets,Zt),s.uniform1fv(this._uSampleWeights,$t);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function ii(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function ri(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var si=function(){function e(t,i,r){B(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,h(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var A=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,A);for(var c=0;c<n.length;c++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+c,r.TEXTURE_2D,n[c],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,A),!r.isFramebuffer(A))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:A,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),A=this.gl;return A.readBuffer(A.COLOR_ATTACHMENT0+o),A.readPixels(a,l,1,1,i||A.RGBA,r||A.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,A=new Uint8Array(4*o),c=0;c<l;++c){var h=c*u,d=(a-c-1)*u;A.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(A,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),s.toDataURL("image/".concat(A))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),ni=function(){function e(t){B(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new si(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function oi(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var ai=function(e,t){t=t||{};var i=new Dt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},A=[],c=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new ni(e),b=!1,x=new Yt(e),w=new ti(e);function B(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];A[e++]=n}A.length=e,A.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=A.length;t<i;t++){var r=A[t];r.rebuildRenderFlags(),r.renderFlags.culled||(c[e++]=r)}c.length=e}()}function P(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var A=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*A,s.drawingBufferWidth),S(r[1]*A,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=c.length;p<f;p++){var v=c[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var A=t.read(0,0),c=A[0]+256*A[1]+256*A[2]*256+256*A[3]*256*256;c*=3,l.primIndex=c}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!oi(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!oi(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!oi(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!oi(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!oi(s,"WEBGL_compressed_texture_pvrtc")&&!oi(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),B(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=c.length;t<r;t++){var n=c[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),x.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&P(s)}})(),function(t){var r=[],a=[],l=[],u=[],A=[],h=[],d=[],p=[],b=[],x=[],w=[],B=[],P=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var R=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var L=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,W=0,K=0,X=0,J=0,Y=0,Z=0,q=0,$=c.length;q<$;q++)if(!0!==(D=c[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[L++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(A[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[W++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[Y++]=D),ee.selectedSilhouetteOpaque&&(P[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[J++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(B[K++]=D),ee.highlightedEdgesOpaque&&(x[z++]=D))}if(L>0)for(i.withSAO=!0,I=0;I<L;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)A[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0)for(I=0;I<O;I++)(D=l[I]).drawColorTransparent(i);if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)x[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(W>0||K>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),K>0)for(I=0;I<K;I++)B[I].drawEdgesHighlighted(i);if(W>0)for(I=0;I<W;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||J>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),J>0)for(I=0;I<J;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)P[I].drawSilhouetteSelected(i)}if(Y>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(Y>0)for(I=0;I<Y;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var te=Date.now(),ie=ae.frame;ie.renderTime=(te-R)/1e3,ie.drawElements=i.drawElements,ie.drawArrays=i.drawArrays,ie.useProgram=i.useProgram,ie.bindTexture=i.bindTexture,ie.bindArray=i.bindArray;for(var re=St.MAX_TEXTURE_IMAGE_UNITS,se=0;se<re;se++)s.activeTexture(s.TEXTURE0+se);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ne=St.MAX_VERTEX_ATTRIBS,oe=0;oe<ne;oe++)s.disableVertexAttribArray(oe)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new Lt,a=re.vec2(),u=re.vec3(),A=re.vec3(),c=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),B();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(A.set(h.origin||[0,0,0]),c.set(h.direction||[0,0,1]),d=re.addVec3(A,c,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(c,s,n),f=re.lookAtMat4v(A,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=A,p.direction=c),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,x=_.length;b<x;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var P=y.getRenderBuffer("pick",{size:[1,1]});P.bind();var E=C(P,u,f,v,h,p);if(!E)return P.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(P,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(P,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(P,E,u,f,v,p),p.pickSurfacePrecision=!1)),P.unbind(),p.entity=k,p):(P.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),A=re.mat4(),c=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),x=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),B=d.origin;if(B){var P=Ve(f,B,u);y=re.mulMat4(v,P,A)}else y=re.mulMat4(v,f,A);var C=re.inverseMat4(y,c);t[0]=x,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=x,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);B&&re.addVec3(k,B),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=c.length;t<i;t++){var r=c[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=c.length;t<i;t++){var r=c[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var A=y.getRenderBuffer("pick-normal",{size:[3,3]});A.bind(s.RGBA32I),s.viewport(0,0,A.size[0],A.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var c=A.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);A.unbind();var h=[c[0]/re.MAX_INT,c[1]/re.MAX_INT,c[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new Lt,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,A=t.snapRadius,c=t.snapToVertex,h=t.snapToEdge;if(!c&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=A||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var x=m[_];x.setPickMatrices&&x.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),B=[];i.snapPickLayerParams=B,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),c&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=c?"vertex":"edge",I(i)),s.depthMask(!0);var P=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,R=null,L=p,U=p,O=4*L+U*f.size[0]*4,N=P.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);R=a.items[z]}for(var W=[],K=0;K<P.length;K+=4)if(P[K+3]>0){var X=Math.floor(K/4),J=f.size[0],Y=X%J-Math.floor(J/2),Z=Math.floor(X/J)-Math.floor(J/2),q=Math.sqrt(Math.pow(Y,2)+Math.pow(Z,2));W.push({x:Y,y:Z,dist:q,isVertex:c&&h?P[K+3]>B.length/2:c,result:[P[K+0],P[K+1],P[K+2],P[K+3]],normal:[C[K+0],C[K+1],C[K+2],C[K+3]],id:[M[K+0],M[K+1],M[K+2],M[K+3]]})}var $=null,ee=null,te=null,ie=null;if(W.length>0){W.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=W[0].isVertex?"vertex":"edge";var se=W[0].result,ne=W[0].normal,oe=W[0].id,ae=B[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var Ae=null;null!==$&&(Ae=e.camera.projectWorldPos($));var ce=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!ce&&R&&(R=R.delegatePickedEntity?R.delegatePickedEntity():R),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=ce||R,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=Ae||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new Xt(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){B(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=c.length;e<t;e++){var r=c[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),x.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},li=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&h(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;this.mouseCanvasPos[0]=e.pageX-i,this.mouseCanvasPos[1]=e.pageY-r}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),ui=new G({}),Ai=function(){function e(t){for(var i in B(this,e),this.id=ui.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){ui.removeItem(this.id)}}]),e}(),ci=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),hi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),di=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),pi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),fi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ai({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),vi=re.vec3(),gi=re.vec3(),mi=re.vec3(),_i=re.vec3(),yi=re.vec3(),bi=re.vec3(),xi=re.vec4(),wi=re.vec4(),Bi=re.vec4(),Pi=re.mat4(),Ci=re.mat4(),Mi=re.vec3(),Ei=re.vec3(),Fi=re.vec3(),ki=re.vec3(),Ii=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new hi(b(r)),r._ortho=new di(b(r)),r._frustum=new pi(b(r)),r._customProjection=new fi(b(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Mi),re.normalizeVec3(Mi,Ei),re.mulVec3Scalar(Ei,1e3,Fi),re.addVec3(this._look,Fi,ki),e=ki):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Ci),re.mulMat4(t.deviceMatrix,Ci,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,vi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Pi),t=re.transformPoint3(Pi,t,gi),this.eye=re.addVec3(this._look,t,mi),this.up=re.transformPoint3(Pi,this._up,_i)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,vi),i=re.cross3Vec3(re.normalizeVec3(t,gi),re.normalizeVec3(this._up,mi));re.rotationMat4v(.0174532925*e,i,Pi),t=re.transformPoint3(Pi,t,_i),this.up=re.transformPoint3(Pi,this._up,yi),this.eye=re.addVec3(t,this._look,bi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,vi);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Pi),t=re.transformPoint3(Pi,t,gi),this.look=re.addVec3(t,this._eye,mi),this._gimbalLock&&(this.up=re.transformPoint3(Pi,this._up,_i))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,vi),i=re.cross3Vec3(re.normalizeVec3(t,gi),re.normalizeVec3(this._up,mi));re.rotationMat4v(.0174532925*e,i,Pi),this.up=re.transformPoint3(Pi,this._up,bi),t=re.transformPoint3(Pi,t,_i),this.look=re.addVec3(t,this._eye,yi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,vi),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,gi));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,mi),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,_i),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,yi),this.look=re.addVec3(this._look,r,bi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,vi),i=Math.abs(re.lenVec3(t,gi)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,mi);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),_i)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,vi))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=xi,i=wi,r=Bi;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Di=function(e){g(i,Ce);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),Si=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ai({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new si(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),Ti=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),Ri=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),Li=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),A=re.vec3(),c=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,A,c,h={},d=Math.pow(10,4),p=0;for(A=0,c=s.length;A<c;A+=3)o=s[A],a=s[A+1],l=s[A+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[A/3]=h[u];for(A=0,c=n.length;A<c;A++)r[A]=t[n[A]],i[r[A]]=n[A]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,A),re.decompressPosition(l,i,c)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],A[0]=e[_],A[1]=e[_+1],A[2]=e[_+2],c[0]=e[y],c[1]=e[y+1],c[2]=e[y+2]),re.subVec3(c,A,h),re.subVec3(u,A,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,x,w,B,P,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,R=g.length;T<R;T+=3)for(var L=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[B=(x=Math.min(y,b))+","+(w=Math.max(y,b))]?D[B]={index1:x,index2:w,face1:L,face2:void 0}:D[B].face2=L;for(B in D)void 0!==(P=D[B]).face2&&(C=s[P.face1].normal,M=s[P.face2].normal,re.dotVec3(C,M)>I)||(E=i[P.index1],F=i[P.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var Ui=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,A=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/A,l/A,u/A],t),re.mulMat4(e,t,r),r}}(),Oi=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var Ni=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function Qi(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function Vi(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function Hi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var ji={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:Ui,compressPositions:Oi,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:Ni,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=Qi(e,o,"floor","floor"),r=s=Hi(e,o,Vi(t)),(r=Hi(e,o,Vi(t=Qi(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=Hi(e,o,Vi(t=Qi(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=Hi(e,o,Vi(t=Qi(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},Gi=ae.memory,zi=re.AABB3(),Wi=function(e){g(i,Ri);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new Ai({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=ji.getPositionsBounds(s.positions),l=ji.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=ji.getUVBounds(s.uv),A=ji.compressUVs(s.uv,u.min,u.max);n.uv=A.quantized,n.uvDecodeMatrix=A.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=ji.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),Gi.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Gi.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Gi.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new Gt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Gi.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Gi.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new Gt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Gi.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=Li(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Gi.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new Gt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new Gt(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),Gi.positions+=this._pickTrianglePositionsBuf.numItems,Gi.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),ji.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=ji.getPositionsBounds(e),s=ji.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),ji.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),ji.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,zi,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(zi,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Gi.meshes--}}]),i}();function Ki(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,A=-r+a,c=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[c,h,d,l,h,d,l,u,d,c,u,d,c,h,d,c,u,d,c,u,A,c,h,A,c,h,d,c,h,A,l,h,A,l,h,d,l,h,d,l,h,A,l,u,A,l,u,d,l,u,A,c,u,A,c,u,d,l,u,d,c,u,A,l,u,A,l,h,A,c,h,A],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var Xi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),Ji={opaque:0,mask:1,blend:2},Yi=["opaque","mask","blend"],Zi=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return Yi[this._state.alphaMode]},set:function(e){var t=Ji[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),qi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},$i=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return qi}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=qi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(qi).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),er={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},tr=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return er}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=er[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(er).join(", "))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),ir={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},rr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return ir}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),ir[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),sr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._supported=St.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),nr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}(),or={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},ar=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return or}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=or[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(or).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),lr={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},ur=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return lr}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=lr[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(lr).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Ar(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var cr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new It(b(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new ai(b(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new li(b(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new rr(b(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new sr(b(r),{enabled:s.saoEnabled}),r.crossSections=new nr(b(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(b(r)),r._initDefaults(),r._viewport=new ci(b(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new Ii(b(r),{id:"default.camera",dontClear:!0}),new Ti(b(r),{color:[1,1,1],intensity:.7}),new Si(b(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Si(b(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}},{key:"clearEachPass",get:function(){return this._clearEachPass},set:function(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}},{key:"gammaInput",get:function(){return this._renderer.gammaInput},set:function(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaOutput",get:function(){return this._renderer.gammaOutput},set:function(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaFactor",get:function(){return this._renderer.gammaFactor},set:function(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}},{key:"geometry",get:function(){return this.components["default.geometry"]||Ki(Wi)}},{key:"material",get:function(){return this.components["default.material"]||new Zi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}},{key:"xrayMaterial",get:function(){return this.components["default.xrayMaterial"]||new $i(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}},{key:"highlightMaterial",get:function(){return this.components["default.highlightMaterial"]||new $i(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}},{key:"selectedMaterial",get:function(){return this.components["default.selectedMaterial"]||new $i(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}},{key:"edgeMaterial",get:function(){return this.components["default.edgeMaterial"]||new tr(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}},{key:"pointsMaterial",get:function(){return this.components["default.pointsMaterial"]||new ar(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}},{key:"linesMaterial",get:function(){return this.components["default.linesMaterial"]||new ur(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}},{key:"viewport",get:function(){return this._viewport}},{key:"camera",get:function(){return this._camera}},{key:"center",get:function(){if(this._aabbDirty||!this._center){var e=this.aabb;this._center||(this._center=re.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}},{key:"aabb",get:function(){if(this._aabbDirty){this._aabb||(this._aabb=re.AABB3());var e,t,i=re.MAX_DOUBLE,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MIN_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=this._collidables,u=!1;for(var A in l)if(l.hasOwnProperty(A)){if(!1===(t=l[A]).collidable)continue;(e=t.aabb)[0]<i&&(i=e[0]),e[1]<r&&(r=e[1]),e[2]<s&&(s=e[2]),e[3]>n&&(n=e[3]),e[4]>o&&(o=e[4]),e[5]>a&&(a=e[5]),u=!0}u||(i=-100,r=-100,s=-100,n=100,o=100,a=100),this._aabb[0]=i,this._aabb[1]=r,this._aabb[2]=s,this._aabb[3]=n,this._aabb[4]=o,this._aabb[5]=a,this._aabbDirty=!1,this._center=null}return this._aabb}},{key:"_setAABBDirty",value:function(){this._aabbDirty=!0,this.fire("boundary")}},{key:"pick",value:function(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");var i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ar(this,i));var r=e.excludeEntities||e.exclude;return r&&(e.excludeEntityIds=Ar(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var e=Object.keys(this.sectionPlanes),t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}},{key:"clearBitmaps",value:function(){for(var e=Object.keys(this.bitmaps),t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}},{key:"clearLines",value:function(){for(var e=Object.keys(this.lineSets),t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}},{key:"getAABB",value:function(e){if(void 0===e)return this.aabb;if(he.isString(e)){var t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;var i,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MAX_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE;if(this.withObjects(e,(function(e){if(e.collidable){var t=e.aabb;t[0]<r&&(r=t[0]),t[1]<s&&(s=t[1]),t[2]<n&&(n=t[2]),t[3]>o&&(o=t[3]),t[4]>a&&(a=t[4]),t[5]>l&&(l=t[5]),i=!0}})),i){var u=re.AABB3();return u[0]=r,u[1]=s,u[2]=n,u[3]=o,u[4]=a,u[5]=l,u}return this.aabb}},{key:"setObjectsVisible",value:function(e,t){return this.withObjects(e,(function(e){var i=e.visible!==t;return e.visible=t,i}))}},{key:"setObjectsCollidable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.collidable!==t;return e.collidable=t,i}))}},{key:"setObjectsCulled",value:function(e,t){return this.withObjects(e,(function(e){var i=e.culled!==t;return e.culled=t,i}))}},{key:"setObjectsSelected",value:function(e,t){return this.withObjects(e,(function(e){var i=e.selected!==t;return e.selected=t,i}))}},{key:"setObjectsHighlighted",value:function(e,t){return this.withObjects(e,(function(e){var i=e.highlighted!==t;return e.highlighted=t,i}))}},{key:"setObjectsXRayed",value:function(e,t){return this.withObjects(e,(function(e){var i=e.xrayed!==t;return e.xrayed=t,i}))}},{key:"setObjectsEdges",value:function(e,t){return this.withObjects(e,(function(e){var i=e.edges!==t;return e.edges=t,i}))}},{key:"setObjectsColorized",value:function(e,t){return this.withObjects(e,(function(e){e.colorize=t}))}},{key:"setObjectsOpacity",value:function(e,t){return this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var A=a[l],c=re.globalizeObjectId(A,n);(o=this.objects[c])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,h(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in f(x(i.prototype),"destroy",this).call(this),this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}]),i}(),hr=1e3,dr=1001,pr=1002,fr=1003,vr=1004,gr=1004,mr=1005,_r=1005,yr=1006,br=1007,xr=1007,wr=1008,Br=1008,Pr=1009,Cr=1010,Mr=1011,Er=1012,Fr=1013,kr=1014,Ir=1015,Dr=1016,Sr=1017,Tr=1018,Rr=1020,Lr=1021,Ur=1022,Or=1023,Nr=1024,Qr=1025,Vr=1026,Hr=1027,jr=1028,Gr=1029,zr=1030,Wr=1031,Kr=1033,Xr=33776,Jr=33777,Yr=33778,Zr=33779,qr=35840,$r=35841,es=35842,ts=35843,is=36196,rs=37492,ss=37496,ns=37808,os=37809,as=37810,ls=37811,us=37812,As=37813,cs=37814,hs=37815,ds=37816,ps=37817,fs=37818,vs=37819,gs=37820,ms=37821,_s=36492,ys=3e3,bs=3001,xs=1e4,ws=10001,Bs=10002,Ps=10003,Cs=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var A=0,c=r.lights.length;A<c;A++){var h=r.lights[A];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+A+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+A+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+A+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+A+";"),u.push("uniform vec3 lightDir"+A+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,A=i.getNumAllocatedSectionPlanes();u<A;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,A=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Fs(e),h=s.getNumAllocatedSectionPlanes()>0,d=Es(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}A&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}A&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var x=0,w=o.lights.length;x<w;x++)o.lights[x].castsShadow&&f.push("vShadowPosFromLight"+x+" = texUnitConverter * shadowProjMatrix"+x+" * (shadowViewMatrix"+x+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Fs(e),u=r.uvBuf,A="PhongMaterial"===o.type,c="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=Es(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),A&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Ms[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Ms[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Ms[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Ms[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Ms[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Ms[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),A&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),A&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||c)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var x=0,w=n.lights.length;x<w;x++){var B=n.lights[x];"ambient"!==B.type&&("dir"===B.type&&"view"===B.space?f.push("viewLightDir = -normalize(lightDir"+x+");"):"point"===B.type&&"view"===B.space?f.push("viewLightDir = normalize(lightPos"+x+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+x+".xyz);"),d&&B.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+x+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+x+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a * shadow);")):f.push("light.color =  lightColor"+x+".rgb * (lightColor"+x+".a );"),f.push("light.direction = viewLightDir;"),A&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}A?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Ms={};function Es(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Fs(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Ms[3e3]="linearToLinear",Ms[3001]="sRGBToLinear";var ks=re.vec3(),Is=new G({}),Ds=function(e,t){this.id=Is.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Cs(t),this._allocate(t)},Ss={};Ds.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=Ss[i];if(!r){if((r=new Ds(i,e)).errors)return console.log(r.errors.join("\n")),null;Ss[i]=r,ae.memory.programs++}return r._useCount++,r},Ds.prototype.put=function(){0==--this._useCount&&(Is.removeItem(this.id),this._program&&this._program.destroy(),delete Ss[this._hash],ae.memory.programs--)},Ds.prototype.webglContextRestored=function(){this._program=null},Ds.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=St.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,A=r.camera,c=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):A.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,A.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(c){var b=ze(y.dist,y.dir,c,ks);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var x=l.backfaces;e.backfaces!==x&&(x?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=x);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var B=s._baseColorMap;B&&B._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,B._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,B._state.matrix));var P=s._metallicMap;P&&P._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,P._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,R=s._specularGlossinessMap;R&&R._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,R._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,R._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var L=a.colorize,U=this._lastColorize;U[0]===L[0]&&U[1]===L[1]&&U[2]===L[2]&&U[3]===L[3]||(n.uniform4fv(this._uColorize,L),U[0]=L[0],U[1]=L[1],U[2]=L[2],U[3]=L[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},Ds.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,A=0,c=u.length;A<c;A++){switch((l=u[A]).type){case"ambient":this._uLightAmbient[A]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=null,this._uLightDir[A]=a.getLocation("lightDir"+A);break;case"point":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=a.getLocation("lightPos"+A),this._uLightDir[A]=null,this._uLightAttenuation[A]=a.getLocation("lightAttenuation"+A);break;case"spot":this._uLightColor[A]=a.getLocation("lightColor"+A),this._uLightPos[A]=a.getLocation("lightPos"+A),this._uLightDir[A]=a.getLocation("lightDir"+A),this._uLightAttenuation[A]=a.getLocation("lightAttenuation"+A)}l.castsShadow&&(this._uShadowViewMatrix[A]=a.getLocation("shadowViewMatrix"+A),this._uShadowProjMatrix[A]=a.getLocation("shadowProjMatrix"+A))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(A=0,c=n.sectionPlanes.length;A<c;A++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+A),pos:a.getLocation("sectionPlanePos"+A),dir:a.getLocation("sectionPlaneDir"+A)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},Ds.prototype._bindProgram=function(e){var t,i=St.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,A=n.lights.length;u<A;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var c=t.getShadowRenderBuf();c&&(a.bindTexture("shadowMap"+u,c.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var Ts=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Rs=new G({}),Ls=re.vec3(),Us=function(e,t){this.id=Rs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ts(t),this._allocate(t)},Os={};Us.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Os[t];return i||(i=new Us(t,e),Os[t]=i,ae.memory.programs++),i._useCount++,i},Us.prototype.put=function(){0==--this._useCount&&(Rs.removeItem(this.id),this._program&&this._program.destroy(),delete Os[this._hash],ae.memory.programs--)},Us.prototype.webglContextRestored=function(){this._program=null},Us.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var A=r._sectionPlanesState.getNumAllocatedSectionPlanes(),c=r._sectionPlanesState.sectionPlanes.length;if(A>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<A;p++){var f=this._uSectionPlanes[p];if(f)if(p<c){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=ze(g.dist,g.dir,u,Ls);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Us.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new jt(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Us.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var Ns=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var Qs=new G({}),Vs=re.vec3(),Hs=function(e,t){this.id=Qs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ns(t),this._allocate(t)},js={};Hs.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=js[t];return i||(i=new Hs(t,e),js[t]=i,ae.memory.programs++),i._useCount++,i},Hs.prototype.put=function(){0==--this._useCount&&(Qs.removeItem(this.id),this._program&&this._program.destroy(),delete js[this._hash],ae.memory.programs--)},Hs.prototype.webglContextRestored=function(){this._program=null},Hs.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,A=u._state,c=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(l.originHash,c):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(c){var y=ze(_.dist,_.dir,c,Vs);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var x=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,x[0],x[1],x[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),A.primitive===a.TRIANGLES?s=u._getEdgeIndices():A.primitive===a.LINES&&(s=A.indicesBuf),s&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=A.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},Hs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Hs.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var Gs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var zs=re.vec3(),Ws=function(e,t){this._hash=e,this._shaderSource=new Gs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Ks={};Ws.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=Ks[t];if(!i){if((i=new Ws(t,e)).errors)return console.log(i.errors.join("\n")),null;Ks[t]=i,ae.memory.programs++}return i._useCount++,i},Ws.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Ks[this._hash],ae.memory.programs--)},Ws.prototype.webglContextRestored=function(){this._program=null},Ws.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var A=i._sectionPlanesState.sectionPlanes,c=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=c.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=A[h];if(a){var v=ze(f.dist,f.dir,a,zs);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,x=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,x/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},Ws.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},Ws.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var Xs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var Js=re.vec3(),Ys=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Xs(t),this._allocate(t)},Zs={};Ys.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=Zs[t];if(!i){if((i=new Ys(t,e)).errors)return console.log(i.errors.join("\n")),null;Zs[t]=i,ae.memory.programs++}return i._useCount++,i},Ys.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Zs[this._hash],ae.memory.programs--)},Ys.prototype.webglContextRestored=function(){this._program=null},Ys.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,A=n.frontface,c=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(c.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var x=g[_];if(l){var w=ze(x.dist,x.dir,l,Js);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,x.pos);r.uniform3fv(y.dir,x.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==A&&(A?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=A),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},Ys.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var qs=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var $s=re.vec3(),en=function(e,t){this._hash=e,this._shaderSource=new qs(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},tn={};en.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=tn[t];if(!i){if((i=new en(t,e)).errors)return console.log(i.errors.join("\n")),null;tn[t]=i,ae.memory.programs++}return i._useCount++,i},en.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete tn[this._hash],ae.memory.programs--)},en.prototype.webglContextRestored=function(){this._program=null},en.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var A=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):A.viewMatrix),n.clippable){var c=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(c>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<c;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=ze(m.dist,m.dir,a,$s);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,A._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},en.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},en.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var rn=C((function e(t){B(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var sn=function(e,t){this._hash=e,this._shaderSource=new rn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},nn={};sn.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=nn[i];if(!r){if((r=new sn(i,e)).errors)return console.log(r.errors.join("\n")),null;nn[i]=r,ae.memory.programs++}return r._useCount++,r},sn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete nn[this._hash],ae.memory.programs--)},sn.prototype.webglContextRestored=function(){this._program=null},sn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},sn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new jt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},sn.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var on=function(){function e(){B(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),an=re.OBB3(),ln=re.vec4(),un=re.vec4(),An=re.vec4(),cn=re.vec3([1,0,0]),hn=re.vec3([0,1,0]),dn=re.vec3([0,0,1]),pn=re.vec3(3),fn=re.vec3(3),vn=re.identityMat4(),gn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new on,r._state=new Ai({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(b(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||vn),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ds.get(this),this._emphasisFillRenderer=Us.get(this),this._emphasisEdgesRenderer=Hs.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Ws.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=en.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,an),re.OBB3ToAABB3(an,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return ln[0]=e[0],ln[1]=e[1],ln[2]=e[2],ln[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(ln,un),re.mulQuaternions(this.quaternion,un,An),this.quaternion=An,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return ln[0]=e[0],ln[1]=e[1],ln[2]=e[2],ln[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(ln,un),re.mulQuaternions(un,this.quaternion,un),this}},{key:"rotateX",value:function(e){return this.rotate(cn,e)}},{key:"rotateY",value:function(e){return this.rotate(hn,e)}},{key:"rotateZ",value:function(e){return this.rotate(dn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,pn),re.mulVec3Scalar(pn,t,fn),re.addVec3(this.position,fn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(cn,e)}},{key:"translateY",value:function(e){return this.translate(hn,e)}},{key:"translateZ",value:function(e){return this.translate(dn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=Ds.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=Ds.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Us.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Hs.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=en.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=sn.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Ws.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Ys.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){mn(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),mn=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),A=re.vec3(),c=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),x=re.vec3(),w=re.vec3(),B=re.vec3(),P=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var R=T.primIndex;if(null!=R&&R>-1){var L=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===L.primitiveName){T.primitive="triangle";var Q,V,H,j=R,G=L.indices,z=L.positions;if(G){var W=G[j+0],K=G[j+1],X=G[j+2];n[0]=W,n[1]=K,n[2]=X,T.indices=n,Q=3*W,V=3*K,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],L.compressGeometry){var J=L.positionsDecodeMatrix;J&&(ji.decompressPosition(i,J,i),ji.decompressPosition(r,J,r),ji.decompressPosition(s,J,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?Ve(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var Y=L.normals;if(Y){if(L.compressGeometry){var Z=3*W,q=3*K,$=3*X;ji.decompressNormal(Y.subarray(Z,Z+2),A),ji.decompressNormal(Y.subarray(q,q+2),c),ji.decompressNormal(Y.subarray($,$+2),h)}else A[0]=Y[Q],A[1]=Y[Q+1],A[2]=Y[Q+2],c[0]=Y[V],c[1]=Y[V+1],c[2]=Y[V+2],h[0]=Y[H],h[1]=Y[H+1],h[2]=Y[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(A,u[0],_),re.mulVec3Scalar(c,u[1],y),b),re.mulVec3Scalar(h,u[2],x),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,B))}var te=L.uv;if(te){if(d[0]=te[2*W],d[1]=te[2*W+1],p[0]=te[2*K],p[1]=te[2*K+1],f[0]=te[2*X],f[1]=te[2*X+1],L.compressGeometry){var ie=L.uvDecodeMatrix;ie&&(ji.decompressUV(d,ie,d),ji.decompressUV(p,ie,p),ji.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],P),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function _n(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var o,a,l,u,A,c,h,d,p,f,v,g=!!e.openEnded,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,x=r/2,w=r/n,B=2*Math.PI/s,P=1/s,C=(t-i)/n,M=[],E=[],F=[],k=[],I=(90-180*Math.atan(r/(i-t))/Math.PI)/90;for(o=0;o<=n;o++)for(A=t-o*C,c=x-o*w,a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),E.push(A*l),E.push(I),E.push(A*u),F.push(a*P),F.push(1*o/n),M.push(A*l+_),M.push(c+y),M.push(A*u+b);for(o=0;o<n;o++)for(a=0;a<=s;a++)d=(h=o*(s+1)+a)+s,k.push(h),k.push(d),k.push(d+1),k.push(h),k.push(d+1),k.push(h+1);if(!g&&t>0){for(p=M.length/3,E.push(0),E.push(1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(t*l),E.push(1),E.push(t*u),F.push(f),F.push(v),M.push(t*l+_),M.push(x+y),M.push(t*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(h),k.push(h+1),k.push(m)}if(!g&&i>0){for(p=M.length/3,E.push(0),E.push(-1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(0-x+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*B),u=Math.cos(a*B),f=.5*Math.sin(a*B)+.5,v=.5*Math.cos(a*B)+.5,E.push(i*l),E.push(-1),E.push(i*u),F.push(f),F.push(v),M.push(i*l+_),M.push(0-x+y),M.push(i*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(m),k.push(h+1),k.push(h)}return he.apply(e,{positions:M,normals:E,uv:F,indices:k})}function yn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.lod||1,i=e.center?e.center[0]:0,r=e.center?e.center[1]:0,s=e.center?e.center[2]:0,n=e.radius||1;n<0&&(console.error("negative radius not allowed - will invert"),n*=-1);var o=e.heightSegments||18;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),(o=Math.floor(t*o))<18&&(o=18);var a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),(a=Math.floor(t*a))<18&&(a=18);var l,u,A,c,h,d,p,f,v,g,m,_,y,b,x=[],w=[],B=[],P=[];for(l=0;l<=o;l++)for(A=l*Math.PI/o,c=Math.sin(A),h=Math.cos(A),u=0;u<=a;u++)d=2*u*Math.PI/a,p=Math.sin(d),f=Math.cos(d)*c,v=h,g=p*c,m=1-u/a,_=l/o,w.push(f),w.push(v),w.push(g),B.push(m),B.push(_),x.push(i+n*f),x.push(r+n*v),x.push(s+n*g);for(l=0;l<o;l++)for(u=0;u<a;u++)b=(y=l*(a+1)+u)+a+1,P.push(y+1),P.push(b+1),P.push(b),P.push(y+1),P.push(b),P.push(y);return 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Zi(o,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),f=new Zi(o,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),v=new Zi(o,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});return s._meshes=[new gn(o,{geometry:new Wi(o,yn({radius:9,heightSegments:60,widthSegments:60})),material:new Zi(o,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==r.visible}),new gn(o,{geometry:new Wi(o,yn({radius:1})),material:v,pickable:!1,collidable:!1,visible:!1!==r.visible}),new gn(o,{geometry:l,material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[5,0,0],rotation:[0,0,-90]}),new gn(o,{geometry:u,material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[2,0,0],rotation:[0,0,90]}),new gn(o,{geometry:new Wi(o,xn({text:"X",size:1.5})),material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new gn(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new gn(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new gn(o,{geometry:new Wi(o,xn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new gn(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new gn(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new gn(o,{geometry:new Wi(o,xn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,f(x(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var Bn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),Pn=re.vec4(4),Cn=re.vec4(),Mn=re.vec4(),En=re.vec3([1,0,0]),Fn=re.vec3([0,1,0]),kn=re.vec3([0,0,1]),In=re.vec3(3),Dn=re.vec3(3),Sn=re.identityMat4(),Tn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Sn),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Pn[0]=e[0],Pn[1]=e[1],Pn[2]=e[2],Pn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Pn,Cn),re.mulQuaternions(this.quaternion,Cn,Mn),this.quaternion=Mn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Pn[0]=e[0],Pn[1]=e[1],Pn[2]=e[2],Pn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Pn,Cn),re.mulQuaternions(Cn,this.quaternion,Cn),this}},{key:"rotateX",value:function(e){return this.rotate(En,e)}},{key:"rotateY",value:function(e){return this.rotate(Fn,e)}},{key:"rotateZ",value:function(e){return this.rotate(kn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,In),re.mulVec3Scalar(In,t,Dn),re.addVec3(this.position,Dn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(En,e)}},{key:"translateY",value:function(e){return this.translate(Fn,e)}},{key:"translateZ",value:function(e){return this.translate(kn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(f(x(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),Rn=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Ln={opaque:0,mask:1,blend:2},Un=["opaque","mask","blend"],On=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return Un[this._state.alphaMode]},set:function(e){var t=Ln[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Nn={opaque:0,mask:1,blend:2},Qn=["opaque","mask","blend"],Vn=function(e){g(i,Xi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return Qn[this._state.alphaMode]},set:function(e){var t=Nn[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Hn(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=oi(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=oi(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=oi(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=oi(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=oi(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=oi(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var A=oi(e,"EXT_texture_compression_bptc");if(null===A)return null;if(36492===s)return 3001===r?A.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:A.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var jn=new Uint8Array([0,0,0,1]),Gn=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,A=t.preloadColor,c=t.premultiplyAlpha,h=t.flipY;B(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!c,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),A&&this.setPreloadColor(A),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(jn[0]=Math.floor(255*e[0]),jn[1]=Math.floor(255*e[1]),jn[2]=Math.floor(255*e[2]),jn[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(jn[0]=0,jn[1]=0,jn[2]=0,jn[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,jn);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,jn);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=Hn(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=Hn(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var A=Hn(i,this.wrapS);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,A);var c=Hn(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);var h=Hn(i,this.format,this.encoding),d=Hn(i,this.type),p=zn(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=Hn(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=Hn(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=Hn(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Wn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Wn(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,Hn(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,Hn(s,this.magFilter)));var A=Hn(s,this.format,this.encoding),c=Hn(s,this.type),h=zn(s,this.internalFormat,A,c,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==A?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,A,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,A,c,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=Hn(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=Hn(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=Hn(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=Hn(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function zn(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||oi(e,"EXT_color_buffer_float"),o}function Wn(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Kn(e){if(!Xn(e.width)||!Xn(e.height)){var t=document.createElement("canvas");t.width=Jn(e.width),t.height=Jn(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Xn(e){return 0==(e&e-1)}function Jn(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Yn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({texture:new Gn({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new Gn({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=Kn(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=Kn(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),Zn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._state=new Ai({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),qn=ae.memory,$n=re.AABB3(),eo=function(e){g(i,Ri);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s))._state=new Ai({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),y(r);if(!s.indices)return r.error("Config expected: indices"),y(r);var l=s.positionsDecodeMatrix;if(l);else{var u=ji.getPositionsBounds(s.positions),A=ji.compressPositions(s.positions,u.min,u.max);n=A.quantized,o.positionsDecodeMatrix=A.decodeMatrix,o.positionsBuf=new Gt(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),qn.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,$n,o.positionsDecodeMatrix),re.AABB3ToOBB3($n,r._obb)}if(s.colors){var c=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new Gt(a,a.ARRAY_BUFFER,c,c.length,4,a.STATIC_DRAW),qn.colors+=o.colorsBuf.numItems}if(s.uv){var h=ji.getUVBounds(s.uv),d=ji.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new Gt(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),qn.uvs+=o.uvBuf.numItems}if(s.normals){var f=ji.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new Gt(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),qn.normals+=o.normalsBuf.numItems}var g=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new Gt(a,a.ELEMENT_ARRAY_BUFFER,g,g.length,1,a.STATIC_DRAW),qn.indices+=o.indicesBuf.numItems;var m=Li(n,g,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new Gt(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),qn.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),qn.meshes--}}]),i}(),to={};function io(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=to.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function ro(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=to.parse.fromOBJ(e),o=to.edit.unwrap(n.i_verts,n.c_verts,3),a=to.edit.unwrap(n.i_norms,n.c_norms,3),l=to.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),A=0;A<n.i_verts.length;A++)u[A]=A;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function so(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,A=-r+a,c=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,A,l,u,d,l,h,A,l,h,d,c,u,A,c,u,d,c,h,A,c,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function no(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return so({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function oo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function ao(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,A,c,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,x=t/m,w=i/_,B=new Float32Array(y*b*3),P=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*x-v,B[M]=a+d,B[M+1]=p,B[M+2]=-F+f,P[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var 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i=to.bin.ril(e,2),r=6;r<i;){var s=to.bin.rsl(e,r),n=to.bin.ril(e,r+2);15677==s&&(t.edit=to.parse.from3DS._edit3ds(e,r,n)),45056==s&&(t.keyf=to.parse.from3DS._keyf3ds(e,r,n)),r+=n}return t},to.parse.from3DS._edit3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16384==n&&(null==r.objects&&(r.objects=[]),r.objects.push(to.parse.from3DS._edit_object(e,s,o))),s+=o}return r},to.parse.from3DS._keyf3ds=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);45058==n&&(null==r.desc&&(r.desc=[]),r.desc.push(to.parse.from3DS._keyf_objdes(e,s,o))),s+=o}return r},to.parse.from3DS._keyf_objdes=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);45072==n&&(r.hierarchy=to.parse.from3DS._keyf_objhierarch(e,s,o)),45073==n&&(r.dummy_name=to.bin.rASCII0(e,s+6)),s+=o}return r},to.parse.from3DS._keyf_objhierarch=function(e,t,i){var r={},s=t+6;return r.name=to.bin.rASCII0(e,s),s+=r.name.length+1,r.hierarchy=to.bin.rsl(e,s+4),r},to.parse.from3DS._edit_object=function(e,t,i){var r={},s=t+6;for(r.name=to.bin.rASCII0(e,s),s+=r.name.length+1;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16640==n&&(r.mesh=to.parse.from3DS._obj_trimesh(e,s,o)),s+=o}return r},to.parse.from3DS._obj_trimesh=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=to.bin.rsl(e,s),o=to.bin.ril(e,s+2);16656==n&&(r.vertices=to.parse.from3DS._tri_vertexl(e,s,o)),16672==n&&(r.indices=to.parse.from3DS._tri_facel1(e,s,o)),16704==n&&(r.uvt=to.parse.from3DS._tri_mappingcoors(e,s,o)),16736==n&&(r.local=to.parse.from3DS._tri_local(e,s,o)),s+=o}return r},to.parse.from3DS._tri_vertexl=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rf(e,s)),r.push(to.bin.rf(e,s+4)),r.push(to.bin.rf(e,s+8)),s+=12;return r},to.parse.from3DS._tri_facel1=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rsl(e,s)),r.push(to.bin.rsl(e,s+2)),r.push(to.bin.rsl(e,s+4)),s+=8;return r},to.parse.from3DS._tri_mappingcoors=function(e,t,i){var r=[],s=t+6,n=to.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(to.bin.rf(e,s)),r.push(1-to.bin.rf(e,s+4)),s+=8;return r},to.parse.from3DS._tri_local=function(e,t,i){var r={},s=t+6;return r.X=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.Y=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.Z=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r.C=[to.bin.rf(e,s),to.bin.rf(e,s+4),to.bin.rf(e,s+8)],s+=12,r},to.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=to.bin.ril(e,0),i.verS=to.bin.ril(e,4),i.texS=to.bin.ril(e,8),i.indS=to.bin.ril(e,12),i.verO=to.bin.ril(e,16),i.verL=to.bin.ril(e,20),i.texO=to.bin.ril(e,24),i.texL=to.bin.ril(e,28),i.indO=to.bin.ril(e,32),i.indL=to.bin.ril(e,36),0!=i.verO&&(t.vertices=to.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=to.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=to.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},to.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);to.bin.wil(n,0,1769365870),to.bin.wil(n,4,32),to.bin.wil(n,8,32),to.bin.wil(n,12,r);var o=40;return e.vertices&&(to.bin.wil(n,16,o),to.bin.wil(n,20,4*e.vertices.length),to.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(to.bin.wil(n,24,o),to.bin.wil(n,28,4*e.uvt.length),to.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(to.bin.wil(n,32,o),to.bin.wil(n,36,4*e.indices.length),to.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},to.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(to.bin.rf(e,t+4*s));return r},to.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)to.bin.wf(e,t+4*r,i[r])},to.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(to.bin.rsl(e,t+2*n)),32==r&&s.push(to.bin.ril(e,t+4*n));return s},to.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&to.bin.wsl(e,t+2*s,i[s]),32==r&&to.bin.wil(e,t+4*s,i[s])},to.gen={},to.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,A=a*(2/t)-1;s.verts.push(u,A,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},to.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},to.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),A=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(u,A,c),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},to.mat={},to.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},to.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},to.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return to.mat.rotate(e*r,t*r,i*r)},to.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),A=Math.sin(s),c=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=c,r[4]=a*h+A*c*u,r[5]=a*u-A*c*h,r[6]=-A*l,r[8]=A*h-a*c*u,r[9]=A*u+a*c*h,r[10]=a*l,r},to.edit={},to.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},to.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},to.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},to.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},to.utils={},to.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],A=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),A<r&&(r=A),u>o&&(o=A)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var ho=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return 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e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return 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c=i[e[u]],h=i[e[u+1]],d=i[e[u+2]],p=c,f=h,v=d;if(c>h&&c>d?h>d?(p=c,f=h,v=d):(p=c,f=d,v=h):h>c&&h>d?c>d?(p=h,f=c,v=d):(p=h,f=d,v=c):d>c&&d>h&&(c>h?(p=d,f=c,v=h):(p=d,f=h,v=c)),r[u+0]=[p,f],r[u+1]=[f,v],p>v){var g=v;v=p,p=g}r[u+2]=[v,p]}function m(e,t){for(var i,r,s=0;s<2;s++)if(i=e[s],(r=t[s])!==i)return r-i;return 0}(r=r.slice(0,e.length)).sort(m);for(var _=0,y=0;y<r.length;y++)if(0===y||0!==m(r[y],r[y-1])){if(0!==y&&2!==_)return!1;_=1}else _++;return!(r.length>0&&2!==_)},fo=re.vec3(),vo=re.vec3(),go=re.vec3(),mo=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}},{key:"setPrimitive",value:function(e){this.primitive=e}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"volume",get:function(){var e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!po(t,e))return-1;for(var i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];fo[0]=e[s],fo[1]=e[s+1],fo[2]=e[s+2],vo[0]=e[n],vo[1]=e[n+1],vo[2]=e[n+2],go[0]=e[o],go[1]=e[o+1],go[2]=e[o+2],re.cross3Vec3(fo,vo,fo),i+=re.dotVec3(fo,go)}return i/6}}]),e}(),_o=new mo,yo=re.vec3(),bo=re.vec3(),xo=re.vec3(),wo=re.vec3(),Bo=re.vec3(),Po=re.vec3(),Co=function(){function e(){B(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];yo[0]=e[s],yo[1]=e[s+1],yo[2]=e[s+2],bo[0]=e[n],bo[1]=e[n+1],bo[2]=e[n+2],xo[0]=e[o],xo[1]=e[o+1],xo[2]=e[o+2],re.subVec3(yo,bo,wo),re.subVec3(xo,bo,Bo),i+=.5*re.lenVec3(re.cross3Vec3(wo,Bo,Po))}return i}}]),e}(),Mo=new Co,Eo=re.OBB3(),Fo=re.OBB3(),ko=re.OBB3(),Io=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;B(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":_o.reset(),_o.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){_o.addVertex(e)})),this.getEachIndex((function(e){_o.addIndex(e)})),this._volume=_o.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Mo.reset(),this.getEachVertex((function(e){Mo.addVertex(e)})),this.getEachIndex((function(e){Mo.addIndex(e)})),this._surfaceArea=Mo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){if(this._aabbWorldDirty){if(re.AABB3ToOBB3(this._aabbLocal,Eo),this.transform?(re.transformOBB3(this.transform.worldMatrix,Eo,Fo),re.transformOBB3(this.model.worldMatrix,Fo,ko),re.OBB3ToAABB3(ko,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,Eo,Fo),re.OBB3ToAABB3(Fo,this._aabbWorld)),this.origin){var e=this.origin;this._aabbWorld[0]+=e[0],this._aabbWorld[1]+=e[1],this._aabbWorld[2]+=e[2],this._aabbWorld[3]+=e[0],this._aabbWorld[4]+=e[1],this._aabbWorld[5]+=e[2]}this._aabbWorldDirty=!1}return this._aabbWorld},set:function(e){this._aabbLocal=e}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),Do=new(function(){function e(){B(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),So=0;function To(){return So++,Do}var Ro={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Lo=new Float32Array([1,1,1,1]),Uo=new Float32Array([0,0,0,1]),Oo=re.vec4(),No=re.vec3(),Qo=re.vec3(),Vo=re.mat4(),Ho=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;B(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var A=0;A<n;A++){var c=this._uSectionPlanes[A];if(c)if(A<o){var h=u.sectionPlanesActivePerLayer[l+A];if(i.uniform1i(c.active,h?1:0),h){var d=a[A],p=e._state.origin;if(p){var f=ze(d.dist,d.dir,p,No);i.uniform3fv(c.pos,f)}else i.uniform3fv(c.pos,d.pos);i.uniform3fv(c.dir,d.dir)}}else i.uniform1i(c.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=St.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,A=u.canvas.gl,c=t._state,h=t.model,d=c.textureSet,p=c.origin,f=c.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,x=h.position,w=h.rotationMatrix,B=h.rotationMatrixConjugate,P=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?A.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(c));var C=0,M=16;this._matricesUniformBlockBufferData.set(B,0);var E=0!==p[0]||0!==p[1]||0!==p[2],F=0!==x[0]||0!==x[1]||0!==x[2];if(E||F){var k=No;if(E){var I=re.transformPoint3(w,p,Qo);k[0]=I[0],k[1]=I[1],k[2]=I[2]}else k[0]=0,k[1]=0,k[2]=0;k[0]+=x[0],k[1]+=x[1],k[2]+=x[2],this._matricesUniformBlockBufferData.set(Ve(b,k,Vo),C+=M)}else this._matricesUniformBlockBufferData.set(b,C+=M);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,C+=M),this._matricesUniformBlockBufferData.set(f,C+=M),this._matricesUniformBlockBufferData.set(P,C+=M),this._matricesUniformBlockBufferData.set(_,C+=M),A.bindBuffer(A.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),A.bufferData(A.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,A.DYNAMIC_DRAW),A.bindBufferBase(A.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),A.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var D=2/(Math.log(e.pickZFar+1)/Math.LN2);A.uniform1f(this._uLogDepthBufFC,D)}this._uZFar&&A.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&A.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&A.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&A.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&A.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&A.uniform2f(this._uDrawingBufferSize,A.drawingBufferWidth,A.drawingBufferHeight),this._uUVDecodeMatrix&&A.uniformMatrix3fv(this._uUVDecodeMatrix,!1,c.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&A.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&A.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var S="ortho"===u.camera.projection?1:A.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));A.uniform1f(this._uNearPlaneHeight,S)}if(d){var T=d.colorTexture,R=d.metallicRoughnessTexture,L=d.emissiveTexture,U=d.normalsTexture,O=d.occlusionTexture;this._uColorMap&&T&&(this._program.bindTexture(this._uColorMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&R&&(this._program.bindTexture(this._uMetallicRoughMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&L&&(this._program.bindTexture(this._uEmissiveMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&U&&(this._program.bindTexture(this._uNormalMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&O&&(this._program.bindTexture(this._uAOMap,O.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var N=u.sao,Q=N.possible;if(Q){var V=A.drawingBufferWidth,H=A.drawingBufferHeight;Oo[0]=V,Oo[1]=H,Oo[2]=N.blendCutoff,Oo[3]=N.blendFactor,A.uniform4fv(this._uSAOParams,Oo),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&A.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var j=this._edges?"edgeColor":"fillColor",G=this._edges?"edgeAlpha":"fillAlpha";if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var z=u.xrayMaterial._state,W=z[j],K=z[G];A.uniform4f(this._uColor,W[0],W[1],W[2],K)}else if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var X=u.highlightMaterial._state,J=X[j],Y=X[G];A.uniform4f(this._uColor,J[0],J[1],J[2],Y)}else if(i===Ro["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var Z=u.selectedMaterial._state,q=Z[j],$=Z[G];A.uniform4f(this._uColor,q[0],q[1],q[2],$)}else A.uniform4fv(this._uColor,this._edges?Uo:Lo)}this._draw({state:c,frameCtx:e,incrementDrawState:a}),A.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),jo=function(e){g(i,Ho);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),Go=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),zo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)s.push("if (sectionPlaneActive"+A+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+A+".xyz, vWorldPosition.xyz - sectionPlanePos"+A+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),Wo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),Ko=function(e){g(i,jo);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),Xo=function(e){g(i,Ko);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Jo=function(e){g(i,Ko);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Yo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),Zo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),qo=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),$o=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ea=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("const float   packUpScale = 256. / 255.;"),r.push("const float   unpackDownscale = 255. / 256.;"),r.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),r.push("const float   shiftRight8 = 1.0 / 256.;"),r.push("vec4 packDepthToRGBA( const in float v ) {"),r.push("    vec4 r = vec4( fract( v * packFactors ), v );"),r.push("    r.yzw -= r.xyz * shiftRight8;"),r.push("    return r * packUpScale;"),r.push("}"),r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),ta=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),ia=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),ra=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)o.push("uniform bool sectionPlaneActive"+A+";"),o.push("uniform vec3 sectionPlanePos"+A+";"),o.push("uniform vec3 sectionPlaneDir"+A+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),sa=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),na=function(e){g(i,jo);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),oa=re.vec3(),aa=re.vec3(),la=re.vec3(),ua=re.vec3(),Aa=re.mat4(),ca=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=oa;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=aa;if(l){var m=la;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Aa),(f=ua)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ha=re.vec3(),da=re.vec3(),pa=re.vec3(),fa=re.vec3(),va=re.mat4(),ga=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ha;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=da;if(l){var m=pa;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,va),(f=fa)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ma=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Wo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Yo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Zo(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ca(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new ga(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Go(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Go(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new zo(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new zo(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new na(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new na(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new na(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new na(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new ra(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new ra(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Wo(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ea(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new ta(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Xo(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Jo(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yo(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new qo(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new sa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Zo(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new $o(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new ia(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new ga(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new ca(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),_a={};var ya=65536,ba=5e6,xa=function(){function e(){B(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return ya},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),ya=e}},{key:"maxGeometryBatchSize",get:function(){return ba},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),ba=e}}]),e}(),wa=new xa,Ba=C((function e(){B(this,e),this.maxVerts=wa.maxGeometryBatchSize,this.maxIndices=3*wa.maxGeometryBatchSize,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),Pa=re.mat4(),Ca=re.mat4();function Ma(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,A=t[5]-a,c=65525,h=c/l,d=c/u,p=c/A,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(Pa),re.translationMat4v(t,Pa),re.identityMat4(Ca),re.scalingMat4v([l/c,u/c,A/c],Ca),re.mulMat4(Pa,Ca,i),s}function Ea(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(Pa),re.translationMat4v(e,Pa),re.identityMat4(Ca),re.scalingMat4v([n/l,o/l,a/l],Ca),re.mulMat4(Pa,Ca,t),t}function Fa(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function ka(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var Ia=re.mat4(),Da=re.mat4(),Sa=re.vec4([0,0,0,1]),Ta=re.vec3(),Ra=re.vec3(),La=re.vec3(),Ua=re.vec3(),Oa=re.vec3(),Na=re.vec3(),Qa=re.vec3(),Va=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=_a[t];return i||(i=new ma(e),_a[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete _a[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ba(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,A=t.colorsCompressed,c=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var x=0,w=s.length;x<w;x++)y.positions.push(s[x])}else{if(!r)throw"positions expected";i=r.length/3;for(var B=0,P=r.length;B<P;B++)y.positions.push(r[B])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=Ia;g?re.inverseMat4(re.transposeMat4(g,Da),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,A,c=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(A=0;A<i;A+=3)c[0]=t[A],c[1]=t[A+1],c[2]=t[A+2],re.transformVec3(e,c,h),re.normalizeVec3(h,h),a=o=Fa(h,"floor","floor"),l=u=n(h,ka(o)),(l=n(h,ka(o=Fa(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,ka(o=Fa(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,ka(o=Fa(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+A+0]=a[0],r[s+A+1]=a[1],r[s+A+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(A)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],R=d[2],L=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(R),y.colors.push(L);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,W=c.length;z<W;z++)y.indices.push(b+c[z]);if(h)for(var K=0,X=h.length;K<X;K++)y.edgeIndices.push(b+h[K]);for(var J=y.pickColors.length,Y=J,Z=J+4*i;Y<Z;Y+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-c.length,numIndices:c.length};return _.readableGeometryEnabled&&(ee.indices=c,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Ma(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new Gt(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var A=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,A,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new Gt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var c=ji.getUVBounds(i.uv),h=ji.compressUVs(i.uv,c.min,c.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new Gt(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new Gt(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new Gt(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],A=t[3],c=0;c<n;c+=4)o[c+0]=a,o[c+1]=l,o[c+2]=u,o[c+3]=A;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,A=l,c=u,h=!!(t&We),d=!!(t&Ze),p=!!(t&qe),f=!!(t&$e),v=!!(t&et),g=!!(t&Xe),m=!!(t&Ke);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!h||m?Ro.NOT_RENDERED:f?Ro.SILHOUETTE_SELECTED:p?Ro.SILHOUETTE_HIGHLIGHTED:d?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var _=0;_=!h||m?Ro.NOT_RENDERED:f?Ro.EDGES_SELECTED:p?Ro.EDGES_HIGHLIGHTED:d?Ro.EDGES_XRAYED:v?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED;var y=h&&!m&&g?Ro.PICK:Ro.NOT_RENDERED,b=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var x=A,w=A+c;x<w;x++){var B=0;B|=s,B|=n<<4,B|=_<<8,B|=y<<12,B|=b<<16,this._deferredFlagValues[x]=B}}else if(this._state.flagsBuf){for(var P=this._scratchMemory.getFloat32Array(c),C=0;C<c;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,P[C]=M}this._state.flagsBuf.setData(P,A,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],A=0;A<n;A+=3)o[A+0]=a,o[A+1]=l,o[A+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r)for(var s=r.quantizedPositions,n=i.origin,o=n[0],a=n[1],l=n[2],u=Sa,A=this.model.matrix,c=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)u[0]=s[h],u[1]=s[h+1],u[2]=s[h+2],u[3]=1,re.decompressPosition(u,c),re.transformPoint4(A,u),u[0]+=o,u[1]+=a,u[2]+=l,t(u);else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,A=o.offset,c=Ta,h=Ra;c.set(u?re.subVec3(t,u,La):t),h.set(i),A&&re.subVec3(c,A),re.transformRay(this.model.worldNormalMatrix,c,h,c,h);for(var d=Ua,p=Oa,f=Na,v=!1,g=0,m=Qa,_=0,y=l.length;_<y;_+=3){var b=3*l[_],x=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[x],p[1]=a[x+1],p[2]=a[x+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(c,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),A&&re.addVec3(m,A),u&&re.addVec3(m,u);var B=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||B>g)&&(g=B,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),Ha=function(e){g(i,Ho);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return B(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),ja=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),Ga=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var A=0,c=r.getNumAllocatedSectionPlanes();A<c;A++)o.push("if (sectionPlaneActive"+A+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+A+".xyz, vWorldPosition.xyz - sectionPlanePos"+A+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),za=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),Wa=function(e){g(i,Ha);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),Ka=function(e){g(i,Wa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Xa=function(e){g(i,Wa);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),Ja=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),Ya=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Za=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),qa=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),$a=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),el=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),tl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),il={3e3:"linearToLinear",3001:"sRGBToLinear"},rl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var A=0,c=i.getNumAllocatedSectionPlanes();A<c;A++)o.push("uniform bool sectionPlaneActive"+A+";"),o.push("uniform vec3 sectionPlanePos"+A+";"),o.push("uniform vec3 sectionPlaneDir"+A+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+il[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+il[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),sl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),nl=function(e){g(i,Ha);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,A=i.lights.length;u<A;u++){var c=i.lights[u];"ambient"!==c.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===c.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===c.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===c.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),ol=re.vec3(),al=re.vec3(),ll=re.vec3(),ul=re.vec3(),Al=re.mat4(),cl=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ol;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=al;if(l){var m=re.transformPoint3(A,l,ll);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Al),(f=ul)[0]=o.eye[0]-g[0],f[1]=o.eye[1]-g[1],f[2]=o.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,v),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),hl=re.vec3(),dl=re.vec3(),pl=re.vec3(),fl=re.vec3(),vl=re.mat4(),gl=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=hl;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=dl;if(l){var m=re.transformPoint3(A,l,pl);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,vl),(f=fl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ml=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new za(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Ja(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ya(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new gl(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new ja(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ja(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Ga(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Ga(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new nl(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new nl(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new nl(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new nl(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new rl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new rl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new za(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new $a(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new el(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new Ka(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Xa(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ja(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Za(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new sl(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ya(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new qa(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new tl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new gl(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new cl(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),_l={};var yl=new Uint8Array(4),bl=new Float32Array(1),xl=re.vec4([0,0,0,1]),wl=new Float32Array(3),Bl=re.vec3(),Pl=re.vec3(),Cl=re.vec3(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.vec3(),Il=new Float32Array(4),Dl=function(){function e(t){B(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=_l[t];return i||(i=new ml(e),_l[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete _l[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new Ai({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],A=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(A),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var c=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(c);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new Gt(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new Gt(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new Gt(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new Gt(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new Gt(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new Gt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),"triangles"!==t.primitive&&"solid"!==t.primitive&&"surface"!==t.primitive||(e.edgeIndicesBuf=new Gt(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new Gt(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new Gt(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],yl[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(yl,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?1:0)<<16,bl[0]=A,this._state.flagsBuf&&this._state.flagsBuf.setData(bl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(wl[0]=t[0],wl[1]=t[1],wl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(wl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s)for(var n=r.positionsCompressed,o=i.origin,a=o[0],l=o[1],u=o[2],A=xl,c=s.matrix,h=this.model.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(c,A),re.transformPoint3(h,A),A[0]+=a,A[1]+=l,A[2]+=u,t(A);else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Il[0]=t[0],Il[1]=t[4],Il[2]=t[8],Il[3]=t[12],this._state.modelMatrixCol0Buf.setData(Il,i),Il[0]=t[1],Il[1]=t[5],Il[2]=t[9],Il[3]=t[13],this._state.modelMatrixCol1Buf.setData(Il,i),Il[0]=t[2],Il[1]=t[6],Il[2]=t[10],Il[3]=t[14],this._state.modelMatrixCol2Buf.setData(Il,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,A=o.origin,c=a.offset,h=Bl,d=Pl;h.set(A?re.subVec3(t,A,Cl):t),d.set(i),c&&re.subVec3(h,c),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Ml,f=El,v=Fl,g=!1,m=0,_=kl,y=0,b=u.length;y<b;y+=3){var x=3*u[y+0],w=3*u[y+1],B=3*u[y+2];p[0]=l[x],p[1]=l[x+1],p[2]=l[x+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[B],v[1]=l[B+1],v[2]=l[B+2];var P=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,P),re.decompressPosition(f,P),re.decompressPosition(v,P),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),c&&re.addVec3(_,c),A&&re.addVec3(_,A);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),Sl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),Tl=function(e){g(i,Sl);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Rl=function(e){g(i,Sl);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),Ll=re.vec3(),Ul=re.vec3(),Ol=re.vec3(),Nl=re.vec3(),Ql=re.mat4(),Vl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Ll;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Ul;if(l){var m=Ol;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Ql),(f=Nl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Hl=re.vec3(),jl=re.vec3(),Gl=re.vec3(),zl=re.vec3(),Wl=re.mat4(),Kl=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Hl;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=jl;if(l){var m=Gl;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Wl),(f=zl)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Xl=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Tl(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Rl(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Vl(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Kl(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Jl={};var Yl=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),Zl=function(){function e(t){var i,r,s;B(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Jl[r])||(s=new Xl(i),Jl[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Jl[r],s._destroy()}))),s),this.model=t.model,this._buffer=new Yl(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var A=0,c=s.length;A<c;A++)l.positions.push(s[A])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var x=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),x}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Ma(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new Gt(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],A=0;A<s;A+=4)n[A+0]=o,n[A+1]=a,n[A+2]=l,n[A+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,A=l,c=!!(t&We),h=!!(t&Ze),d=!!(t&qe),p=!!(t&$e),f=!!(t&Xe),v=!!(t&Ke);s=!c||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!c||v?Ro.NOT_RENDERED:p?Ro.SILHOUETTE_SELECTED:d?Ro.SILHOUETTE_HIGHLIGHTED:h?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var g=c&&!v&&f?Ro.PICK:Ro.NOT_RENDERED,m=t&Je?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+A;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(A),w=0;w<A;w++){var B=0;B|=s,B|=n<<4,B|=g<<12,B|=m<<16,x[w]=B}this._state.flagsBuf.setData(x,u,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),ql=function(e){g(i,Ho);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),$l=function(e){g(i,ql);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),eu=function(e){g(i,ql);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),tu=re.vec3(),iu=re.vec3(),ru=re.vec3();re.vec3();var su=re.mat4(),nu=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=tu;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=iu;if(l){var g=re.transformPoint3(A,l,ru);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,su),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ou=re.vec3(),au=re.vec3(),lu=re.vec3();re.vec3();var uu=re.mat4(),Au=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=ou;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=au;if(l){var g=re.transformPoint3(A,l,lu);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,uu),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),cu=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new nu(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Au(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new $l(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new eu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new nu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Au(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),hu={};var du=new Uint8Array(4),pu=new Float32Array(1),fu=new Float32Array(3),vu=new Float32Array(4),gu=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=hu[r])||(s=new cu(i),hu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete hu[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ai({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new Gt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new Gt(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new Gt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new Gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";du[0]=t[0],du[1]=t[1],du[2]=t[2],du[3]=t[3],this._state.colorsBuf.setData(du,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?255:0)<<16,pu[0]=A,this._state.flagsBuf.setData(pu,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(fu[0]=t[0],fu[1]=t[1],fu[2]=t[2],this._state.offsetsBuf.setData(fu,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;vu[0]=t[0],vu[1]=t[4],vu[2]=t[8],vu[3]=t[12],this._state.modelMatrixCol0Buf.setData(vu,i),vu[0]=t[1],vu[1]=t[5],vu[2]=t[9],vu[3]=t[13],this._state.modelMatrixCol1Buf.setData(vu,i),vu[0]=t[2],vu[1]=t[6],vu[2]=t[10],vu[3]=t[14],this._state.modelMatrixCol2Buf.setData(vu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),mu=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),_u=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),yu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),bu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),xu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),wu=function(e){g(i,mu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),Bu=re.vec3(),Pu=re.vec3(),Cu=re.vec3(),Mu=re.vec3(),Eu=re.mat4(),Fu=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=Bu;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Pu;if(l){var m=Cu;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Eu),(f=Mu)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ku=re.vec3(),Iu=re.vec3(),Du=re.vec3(),Su=re.vec3(),Tu=re.mat4(),Ru=function(e){g(i,Ho);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f,v=ku;if(v[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,v[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,v[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var g=Iu;if(l){var m=Du;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],p=Ve(d,g,Tu),(f=Su)[0]=n.eye[0]-g[0],f[1]=n.eye[1]-g[1],f[2]=n.eye[2]-g[2],e.snapPickOrigin[0]=g[0],e.snapPickOrigin[1]=g[1],e.snapPickOrigin[2]=g[2]}else p=d,f=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,v),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var _=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,_+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,_+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,_+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var y=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,y),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Lu=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new _u(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new bu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new xu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new wu(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Fu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Ru(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Uu={};var Ou=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;B(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.intensities=[],this.pickColors=[],this.offsets=[]})),Nu=function(){function e(t){B(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Uu[t];return i||(i=new Lu(e),Uu[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete Uu[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ou(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ai({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor,u=this._buffer,A=u.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";for(var c=0,h=s.length;c<h;c++)u.positions.push(s[c]);i=s.length/3}else{if(!r)throw"positions expected";i=r.length/3,r.length,u.positions.length;for(var d=0,p=r.length;d<p;d++)u.positions.push(r[d])}if(o)for(var f=0,v=o.length;f<v;f++)u.colors.push(o[f]);else if(a)for(var g=0,m=a.length;g<m;g++)u.colors.push(255*a[g]);else if(n)for(var _=n[0],y=n[1],b=n[2],x=0;x<i;x++)u.colors.push(_),u.colors.push(y),u.colors.push(b),u.colors.push(1);for(var w=u.pickColors.length,B=w,P=w+4*i;B<P;B+=4)u.pickColors.push(l[0]),u.pickColors.push(l[1]),u.pickColors.push(l[2]),u.pickColors.push(l[3]);if(this.model.scene.entityOffsetsEnabled)for(var C=0;C<i;C++)u.offsets.push(0),u.offsets.push(0),u.offsets.push(0);var M=this._portions.length/2;return this._portions.push(A),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._meshes.push(e),M}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Ma(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new Gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new Gt(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.STATIC_DRAW,!1)}if(i.positions.length>0){var o=i.positions.length/3,a=new Float32Array(o);e.flagsBuf=new Gt(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var l=new Uint8Array(i.pickColors);e.pickColorsBuf=new Gt(t,t.ARRAY_BUFFER,l,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var u=new Float32Array(i.offsets);e.offsetsBuf=new Gt(t,t.ARRAY_BUFFER,u,i.offsets.length,3,t.DYNAMIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&We),A=!!(t&Ze),c=!!(t&qe),h=!!(t&$e),d=!!(t&Xe),p=!!(t&Ke);r=!u||p||A||c&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,s=!u||p?Ro.NOT_RENDERED:h?Ro.SILHOUETTE_SELECTED:c?Ro.SILHOUETTE_HIGHLIGHTED:A?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;for(var f=u&&!p&&d?Ro.PICK:Ro.NOT_RENDERED,v=t&Je?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),Qu=function(e){g(i,Ho);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),Vu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Hu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(x(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),ju=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),Gu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),zu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Wu=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),Ku=function(e){g(i,Qu);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Xu=re.vec3(),Ju=re.vec3(),Yu=re.vec3();re.vec3();var Zu=re.mat4(),qu=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=Xu;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ju;if(l){var g=re.transformPoint3(A,l,Yu);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,Zu),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),$u=re.vec3(),eA=re.vec3(),tA=re.vec3();re.vec3();var iA=re.mat4(),rA=function(e){g(i,Ho);var t=_(i);function i(e){return B(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var p,f=$u;if(f[0]=re.safeInv(h[3]-h[0])*re.MAX_INT,f[1]=re.safeInv(h[4]-h[1])*re.MAX_INT,f[2]=re.safeInv(h[5]-h[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=eA;if(l){var g=re.transformPoint3(A,l,tA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],p=Ve(d,v,iA),e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else p=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(p,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(x(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),sA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Vu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Hu(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Wu(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ju(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Gu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new zu(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Ku(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new qu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new rA(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),nA={};var oA=new Uint8Array(4),aA=new Float32Array(1),lA=new Float32Array(3),uA=new Float32Array(4),AA=function(){function e(t){var i,r,s;B(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=nA[r])||(s=new sA(i),nA[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete nA[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ai({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new Gt(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new Gt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new Gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new Gt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";oA[0]=t[0],oA[1]=t[1],oA[2]=t[2],this._state.colorsBuf.setData(oA,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&We),s=!!(t&Ze),n=!!(t&qe),o=!!(t&$e),a=!!(t&et),l=!!(t&Xe),u=!!(t&Ke),A=0;A|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.SILHOUETTE_SELECTED:n?Ro.SILHOUETTE_HIGHLIGHTED:s?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED)<<4,A|=(!r||u?Ro.NOT_RENDERED:o?Ro.EDGES_SELECTED:n?Ro.EDGES_HIGHLIGHTED:s?Ro.EDGES_XRAYED:a?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED)<<8,A|=(r&&!u&&l?Ro.PICK:Ro.NOT_RENDERED)<<12,A|=(t&Je?255:0)<<16,aA[0]=A,this._state.flagsBuf.setData(aA,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(lA[0]=t[0],lA[1]=t[1],lA[2]=t[2],this._state.offsetsBuf.setData(lA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;uA[0]=t[0],uA[1]=t[4],uA[2]=t[8],uA[3]=t[12],this._state.modelMatrixCol0Buf.setData(uA,i),uA[0]=t[1],uA[1]=t[5],uA[2]=t[9],uA[3]=t[13],this._state.modelMatrixCol1Buf.setData(uA,i),uA[0]=t[2],uA[1]=t[6],uA[2]=t[10],uA[3]=t[14],this._state.modelMatrixCol2Buf.setData(uA,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),cA=re.vec3(),hA=re.vec3(),dA=re.mat4(),pA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate,d=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=cA;if(f){var m=re.transformPoint3(c,u,hA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,dA)}else p=d;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,cA);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),fA=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new pA(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),vA={};var gA=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),mA=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),_A=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;B(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),yA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(yA,null,4));var e=0;Object.keys(yA).forEach((function(t){t.startsWith("size")&&(e+=yA[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/yA.totalLines).toFixed(2)));var t={};Object.keys(yA).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((yA[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var bA=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);yA.sizeDataColorsAndFlags+=l.byteLength,yA.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);yA.sizeDataTextureOffsets+=s.byteLength,yA.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);yA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);yA.sizeDataPositionDecodeMatrices+=n.byteLength,yA.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);yA.sizeDataTextureIndices+=n.byteLength,yA.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);yA.sizeDataTexturePositions+=o.byteLength,yA.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var A=t[a];o.set(A,l),l+=A.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,c,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),yA.sizeDataTexturePortionIds+=n.byteLength,yA.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,o,r,s)}}]),e}(),xA=new xa,wA=xA.maxDataTextureHeight,BA=new Float32Array(16),PA=new Uint8Array(4),CA=new Float32Array(3),MA=0,EA=re.identityMat4(),FA=function(){function e(t,i){var r,s,n;B(this,e),yA.numberOfLayers++,this._layerNumber=MA++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=vA[s])||(n=new fA(r),vA[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete vA[s],n._destroy()}))),n),this.model=t,this._buffer=new gA,this._dataTextureState=new mA,this._dataTextureGenerator=new bA,this._state=new Ai({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&yA.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*wA||s+o>4096*wA)&&yA.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*wA&&s+o<=4096*wA)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;yA.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var A,c=0;n&&(c=n.length/2,u<=256?(A=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(A=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(A=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),A.push(n));return this._state.numVertices+=u,yA.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:c,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||EA),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var A=this._subPortions.length;if(t.numLines>0){var c,h=2*t.numLines;t.numVertices<=256?(c=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,yA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(c=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,yA.totalLines16Bits+=t.numLines):(c=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,yA.totalLines32Bits+=t.numLines),yA.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)c.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,yA.numberOfPortions++,A}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;PA[0]=t[0],PA[1]=t[1],PA[2]=t[2],PA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(PA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,PA))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&We),a=!!(t&Ze),l=!!(t&qe),u=!!(t&$e),A=!!(t&Xe),c=!!(t&Ke);s=!o||c||a?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!o||c?Ro.NOT_RENDERED:u?Ro.SILHOUETTE_SELECTED:l?Ro.SILHOUETTE_HIGHLIGHTED:a?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var h=o&&!c&&A?Ro.PICK:Ro.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;PA[0]=s,PA[1]=n,PA[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,PA))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;PA[0]=r,PA[1]=0,PA[2]=1,PA[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(PA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,PA))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;CA[0]=t[0],CA[1]=t[1],CA[2]=t[2],i.texturePerObjectOffsets._textureData.set(CA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,CA))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;BA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(BA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,BA))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),kA=re.vec3(),IA=re.vec3(),DA=re.vec3();re.vec3();var SA=re.vec4(),TA=re.mat4(),RA=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=kA;if(f){var m=re.transformPoint3(c,u,IA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,TA),(p=DA)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,kA);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new jt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var A=i.drawingBufferWidth,c=i.drawingBufferHeight;SA[0]=A,SA[1]=c,SA[2]=u.blendCutoff,SA[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,SA),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(vColor.rgb * ambient, 1.0);")):r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),LA=new Float32Array([1,1,1]),UA=re.vec3(),OA=re.vec3(),NA=re.vec3();re.vec3();var QA=re.mat4(),VA=function(){function e(t,i){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate,d=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==A[0]||0!==A[1]||0!==A[2]){var v=UA;if(u){var g=OA;re.transformPoint3(c,u,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=A[0],v[1]+=A[1],v[2]+=A[2],p=Ve(d,v,QA),(f=NA)[0]=s.eye[0]-v[0],f[1]=s.eye[1]-v[1],f[2]=s.eye[2]-v[2]}else p=d,f=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,f),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===Ro.SILHOUETTE_XRAYED){var m=r.xrayMaterial._state,_=m.fillColor,y=m.fillAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===Ro.SILHOUETTE_HIGHLIGHTED){var b=r.highlightMaterial._state,x=b.fillColor,w=b.fillAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],w)}else if(i===Ro.SILHOUETTE_SELECTED){var B=r.selectedMaterial._state,P=B.fillColor,C=B.fillAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],C)}else o.uniform4fv(this._uColor,LA);if(r.logarithmicDepthBufferEnabled){var M=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,M)}var E=r._sectionPlanesState.getNumAllocatedSectionPlanes(),F=r._sectionPlanesState.sectionPlanes.length;if(E>0)for(var k=r._sectionPlanesState.sectionPlanes,I=t.layerIndex*F,D=n.renderFlags,S=0;S<E;S++){var T=this._uSectionPlanes[S];if(T)if(S<F){var R=D.sectionPlanesActivePerLayer[I+S];if(o.uniform1i(T.active,R?1:0),R){var L=k[S];if(u){var U=ze(L.dist,L.dir,u,UA);o.uniform3fv(T.pos,U)}else o.uniform3fv(T.pos,L.pos);o.uniform3fv(T.dir,L.dir)}}else o.uniform1i(T.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = color;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),HA=new Float32Array([0,0,0,1]),jA=re.vec3(),GA=re.vec3();re.vec3();var zA=re.mat4(),WA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=jA;if(f){var m=re.transformPoint3(c,u,GA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,zA)}else p=d;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===Ro.EDGES_XRAYED){var _=s.xrayMaterial._state,y=_.edgeColor,b=_.edgeAlpha;o.uniform4f(this._uColor,y[0],y[1],y[2],b)}else if(i===Ro.EDGES_HIGHLIGHTED){var x=s.highlightMaterial._state,w=x.edgeColor,B=x.edgeAlpha;o.uniform4f(this._uColor,w[0],w[1],w[2],B)}else if(i===Ro.EDGES_SELECTED){var P=s.selectedMaterial._state,C=P.edgeColor,M=P.edgeAlpha;o.uniform4f(this._uColor,C[0],C[1],C[2],M)}else o.uniform4fv(this._uColor,HA);var E=s._sectionPlanesState.getNumAllocatedSectionPlanes(),F=s._sectionPlanesState.sectionPlanes.length;if(E>0)for(var k=s._sectionPlanesState.sectionPlanes,I=t.layerIndex*F,D=r.renderFlags,S=0;S<E;S++){var T=this._uSectionPlanes[S];if(T)if(S<F){var R=D.sectionPlanesActivePerLayer[I+S];if(o.uniform1i(T.active,R?1:0),R){var L=k[S];if(u){var U=ze(L.dist,L.dir,u,jA);o.uniform3fv(T.pos,U)}else o.uniform3fv(T.pos,L.pos);o.uniform3fv(T.dir,L.dir)}}else o.uniform1i(T.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),KA=re.vec3(),XA=re.vec3(),JA=re.mat4(),YA=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=KA;if(f){var m=re.transformPoint3(c,u,XA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],p=Ve(d,g,JA)}else p=d;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),y=s._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=s._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=r.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(u){var E=ze(M.dist,M.dir,u,KA);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { discard; }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = vColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ZA=re.vec3(),qA=re.vec3(),$A=re.vec3(),ec=re.mat4(),tc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate;A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==c[0]||0!==c[1]||0!==c[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(f||v){var g=ZA;if(f){var m=re.transformPoint3(d,c,qA);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=h[0],g[1]+=h[1],g[2]+=h[2],r=Ve(a.viewMatrix,g,ec),(s=$A)[0]=a.eye[0]-g[0],s[1]=a.eye[1]-g[1],s[2]=a.eye[2]-g[2]}else r=a.viewMatrix,s=a.eye;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var _=2/(Math.log(a.project.far+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,_)}var y=o._sectionPlanesState.getNumAllocatedSectionPlanes(),b=o._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=o._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(l.uniform1i(C.active,M?1:0),M){var E=x[P];if(c){var F=ze(E.dist,E.dir,c,ZA);l.uniform3fv(C.pos,F)}else l.uniform3fv(C.pos,E.pos);l.uniform3fv(C.dir,E.dir)}}else l.uniform1i(C.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ic=re.vec3(),rc=re.vec3(),sc=re.vec3();re.vec3();var nc=re.mat4(),oc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=e.pickViewMatrix||a.viewMatrix;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),c||0!==h[0]||0!==h[1]||0!==h[2]){var v=ic;if(c){var g=rc;re.transformPoint3(d,c,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=h[0],v[1]+=h[1],v[2]+=h[2],r=Ve(f,v,nc),(s=sc)[0]=a.eye[0]-v[0],s[1]=a.eye[1]-v[1],s[2]=a.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix),o.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,m)}var _=o._sectionPlanesState.getNumAllocatedSectionPlanes(),y=o._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=n.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(l.uniform1i(P.active,C?1:0),C){var M=b[B];if(c){var E=ze(M.dist,M.dir,c,ic);l.uniform3fv(P.pos,E)}else l.uniform3fv(P.pos,M.pos);l.uniform3fv(P.dir,M.dir)}}else l.uniform1i(P.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),ac=re.vec3(),lc=re.vec3(),uc=re.vec3(),Ac=re.vec3();re.vec3();var cc=re.mat4(),hc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=t.aabb,v=e.pickViewMatrix||a.viewMatrix,g=ac;g[0]=re.safeInv(f[3]-f[0])*re.MAX_INT,g[1]=re.safeInv(f[4]-f[1])*re.MAX_INT,g[2]=re.safeInv(f[5]-f[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(g[0]),e.snapPickCoordinateScale[1]=re.safeInv(g[1]),e.snapPickCoordinateScale[2]=re.safeInv(g[2]),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==c[0]||0!==c[1]||0!==c[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=lc;if(m){var b=re.transformPoint3(d,c,uc);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=Ve(v,y,cc),(s=Ac)[0]=a.eye[0]-y[0],s[1]=a.eye[1]-y[1],s[2]=a.eye[2]-y[2],e.snapPickOrigin[0]=y[0],e.snapPickOrigin[1]=y[1],e.snapPickOrigin[2]=y[2]}else r=v,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,g),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var x=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x);var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(c){var D=ze(I.dist,I.dir,c,ac);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}var S="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(S,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(S,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(A.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(S,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),dc=re.vec3(),pc=re.vec3(),fc=re.vec3(),vc=re.vec3();re.vec3();var gc=re.mat4(),mc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,A=u.textureState,c=t._state.origin,h=n.position,d=n.rotationMatrix,p=n.rotationMatrixConjugate,f=t.aabb,v=e.pickViewMatrix||a.viewMatrix,g=dc;g[0]=re.safeInv(f[3]-f[0])*re.MAX_INT,g[1]=re.safeInv(f[4]-f[1])*re.MAX_INT,g[2]=re.safeInv(f[5]-f[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(g[0]),e.snapPickCoordinateScale[1]=re.safeInv(g[1]),e.snapPickCoordinateScale[2]=re.safeInv(g[2]),A.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==c[0]||0!==c[1]||0!==c[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=pc;if(m){var b=fc;re.transformPoint3(d,c,b),y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=Ve(v,y,gc),(s=vc)[0]=a.eye[0]-y[0],s[1]=a.eye[1]-y[1],s[2]=a.eye[2]-y[2],e.snapPickOrigin[0]=y[0],e.snapPickOrigin[1]=y[1],e.snapPickOrigin[2]=y[2]}else r=v,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,g),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,p),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var x=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,x);var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var P=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*B,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<B){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=P[E];if(c){var D=ze(I.dist,I.dir,c,dc);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(A.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),_c=re.vec3(),yc=re.vec3(),bc=re.vec3();re.vec3();var xc=re.mat4(),wc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=r.position,c=r.rotationMatrix,h=r.rotationMatrixConjugate,d=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==A[0]||0!==A[1]||0!==A[2]){var v=_c;if(u){var g=yc;re.transformPoint3(c,u,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=A[0],v[1]+=A[1],v[2]+=A[2],p=Ve(d,v,xc),(f=bc)[0]=n.eye[0]-v[0],f[1]=n.eye[1]-v[1],f[2]=n.eye[2]-v[2]}else p=d,f=n.eye;o.uniform3fv(this._uCameraEyeRtc,f),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,p),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,x=r.renderFlags,w=0;w<m;w++){var B=this._uSectionPlanes[w];if(B)if(w<_){var P=x.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(B.active,P?1:0),P){var C=y[w];if(u){var M=ze(C.dist,C.dir,u,_c);o.uniform3fv(B.pos,M)}else o.uniform3fv(B.pos,C.pos);o.uniform3fv(B.dir,C.dir)}}else o.uniform1i(B.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Bc=re.vec3(),Pc=re.vec3(),Cc=re.vec3();re.vec3();var Mc=re.mat4(),Ec=function(){function e(t){B(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=Bc;if(f){var m=re.transformPoint3(c,u,Pc);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,Mc),(p=Cc)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,Bc);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Fc=re.vec3(),kc=re.vec3(),Ic=re.vec3();re.vec3();var Dc=re.mat4(),Sc=function(){function e(t){B(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,A=r.rotationMatrix,c=r.rotationMatrixConjugate,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var f=0!==l[0]||0!==l[1]||0!==l[2],v=0!==u[0]||0!==u[1]||0!==u[2];if(f||v){var g=Fc;if(f){var m=kc;re.transformPoint3(A,l,m),g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=u[0],g[1]+=u[1],g[2]+=u[2],d=Ve(h,g,Dc),(p=Ic)[0]=n.eye[0]-g[0],p[1]=n.eye[1]-g[1],p[2]=n.eye[2]-g[2]}else d=h,p=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var _=s._sectionPlanesState.getNumAllocatedSectionPlanes(),y=s._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=s._sectionPlanesState.sectionPlanes,x=t.layerIndex*y,w=r.renderFlags,B=0;B<_;B++){var P=this._uSectionPlanes[B];if(P)if(B<y){var C=w.sectionPlanesActivePerLayer[x+B];if(o.uniform1i(P.active,C?1:0),C){var M=b[B];if(l){var E=ze(M.dist,M.dir,l,Fc);o.uniform3fv(P.pos,E)}else o.uniform3fv(P.pos,M.pos);o.uniform3fv(P.dir,M.dir)}}else o.uniform1i(P.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(St.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&St.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Tc=re.vec3(),Rc=re.vec3(),Lc=re.vec3();re.vec3(),re.vec4();var Uc=re.mat4(),Oc=function(){function e(t,i){B(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,A=n.position,c=n.rotationMatrix,h=n.rotationMatrixConjugate;if(this._program||(this._allocate(),!this.errors)){var d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var f=0!==u[0]||0!==u[1]||0!==u[2],v=0!==A[0]||0!==A[1]||0!==A[2];if(f||v){var g=Tc;if(f){var m=re.transformPoint3(c,u,Rc);g[0]=m[0],g[1]=m[1],g[2]=m[2]}else g[0]=0,g[1]=0,g[2]=0;g[0]+=A[0],g[1]+=A[1],g[2]+=A[2],d=Ve(s.viewMatrix,g,Uc),(p=Lc)[0]=s.eye[0]-g[0],p[1]=s.eye[1]-g[1],p[2]=s.eye[2]-g[2]}else d=s.viewMatrix,p=s.eye;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,h),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_)}var y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(y>0)for(var x=r._sectionPlanesState.sectionPlanes,w=t.layerIndex*b,B=n.renderFlags,P=0;P<y;P++){var C=this._uSectionPlanes[P];if(C)if(P<b){var M=B.sectionPlanesActivePerLayer[w+P];if(o.uniform1i(C.active,M?1:0),M){var E=x[P];if(u){var F=ze(E.dist,E.dir,u,Tc);o.uniform3fv(C.pos,F)}else o.uniform3fv(C.pos,E.pos);o.uniform3fv(C.dir,E.dir)}}else o.uniform1i(C.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new jt(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Nc=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new VA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new tc(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new oc(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new Oc(this._scene)),this._snapRenderer||(this._snapRenderer=new hc(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new mc(this._scene)),this._snapRenderer||(this._snapRenderer=new hc(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new RA(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new RA(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new VA(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Ec(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new Sc(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new WA(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new YA(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new tc(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Oc(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Oc(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new oc(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new hc(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new mc(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new wc(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),Qc={};var Vc=C((function e(){B(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),Hc=function(){function e(){B(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),jc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(jc,null,4));var e=0;Object.keys(jc).forEach((function(t){t.startsWith("size")&&(e+=jc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/jc.totalPolygons).toFixed(2)));var t={};Object.keys(jc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((jc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var Gc=function(){function e(){B(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var A=new Uint8Array(16384*u);jc.sizeDataColorsAndFlags+=A.byteLength,jc.numberOfTextures++;for(var c=0;c<a;c++)A.set(t[c],32*c+0),A.set(i[c],32*c+4),A.set([0,0,0,0],32*c+8),A.set([0,0,0,0],32*c+12),A.set([r[c]>>24&255,r[c]>>16&255,r[c]>>8&255,255&r[c]],32*c+16),A.set([s[c]>>24&255,s[c]>>16&255,s[c]>>8&255,255&s[c]],32*c+20),A.set([n[c]>>24&255,n[c]>>16&255,n[c]>>8&255,255&n[c]],32*c+24),A.set([o[c]?1:0,0,0,0],32*c+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,A,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,h,l,u,A)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);jc.sizeDataTextureOffsets+=s.byteLength,jc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);jc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);jc.sizeDataPositionDecodeMatrices+=n.byteLength,jc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);jc.sizeDataTextureIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);jc.sizeDataTextureEdgeIndices+=n.byteLength,jc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new _A(e,A,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);jc.sizeDataTexturePositions+=o.byteLength,jc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var A=t[a];o.set(A,l),l+=A.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,c,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),jc.sizeDataTexturePortionIds+=n.byteLength,jc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new _A(e,o,r,s)}}]),e}(),zc=new xa,Wc=zc.maxDataTextureHeight,Kc=re.vec4(),Xc=new Float32Array(16),Jc=new Uint8Array(4),Yc=new Float32Array(3),Zc=0,qc=re.identityMat4(),$c=function(){function e(t,i){var r,s,n;B(this,e),jc.numberOfLayers++,this._layerNumber=Zc++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=Qc[s])||(n=new Nc(r),Qc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete Qc[s],n._destroy()}))),n),this.model=t,this._buffer=new Vc,this._dtxState=new Hc,this._dtxTextureFactory=new Gc,this._state=new Ai({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&jc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*Wc||s+o>4096*Wc)&&jc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Wc&&s+o<=4096*Wc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;jc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;jc.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var A,c=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,A=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,A=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,A=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,jc.numberOfGeometries++,{vertexBase:c,numVertices:h,numTriangles:f,numEdges:g,indicesBase:A,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,A=e.pickColor,c=this._buffer,h=this._state;c.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),c.perObjectInstancePositioningMatrices.push(u||qc),c.perObjectSolid.push(!!e.solid),a?c.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&c.perObjectColors.push([s[0],s[1],s[2],l]),c.perObjectPickColors.push(A),c.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,c.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,c.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=c.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,jc.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=c.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,jc.totalPolygons16Bits+=t.numTriangles):(p=c.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,jc.totalPolygons32Bits+=t.numTriangles),jc.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=c.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,jc.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=c.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,jc.totalEdges16Bits+=t.numEdges):(g=c.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,jc.totalEdges32Bits+=t.numEdges),jc.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,jc.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&We&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&qe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ze&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&$e&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&Je&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&et&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&Xe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ke&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&We?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&$e?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&et?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&Je?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ke?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Xe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;if(Jc[0]=t[0],Jc[1]=t[1],Jc[2]=t[2],Jc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e),this._deferredSetFlagsActive)return console.info("_subPortionSetColor defer"),void(this._deferredSetFlagsDirty=!0);++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),console.info("_subPortionSetColor write through"),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,Jc)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&We),a=!!(t&Ze),l=!!(t&qe),u=!!(t&$e),A=!!(t&et),c=!!(t&Xe),h=!!(t&Ke);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?Ro.NOT_RENDERED:i?Ro.COLOR_TRANSPARENT:Ro.COLOR_OPAQUE,n=!o||h?Ro.NOT_RENDERED:u?Ro.SILHOUETTE_SELECTED:l?Ro.SILHOUETTE_HIGHLIGHTED:a?Ro.SILHOUETTE_XRAYED:Ro.NOT_RENDERED;var d=0;d=!o||h?Ro.NOT_RENDERED:u?Ro.EDGES_SELECTED:l?Ro.EDGES_HIGHLIGHTED:a?Ro.EDGES_XRAYED:A?i?Ro.EDGES_COLOR_TRANSPARENT:Ro.EDGES_COLOR_OPAQUE:Ro.NOT_RENDERED;var p=o&&!h&&c?Ro.PICK:Ro.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;Jc[0]=s,Jc[1]=n,Jc[2]=d,Jc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,Jc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&Je?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;Jc[0]=r,Jc[1]=0,Jc[2]=1,Jc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(Jc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Jc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;Yc[0]=t[0],Yc[1]=t[1],Yc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Yc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,Yc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;Xc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(Xc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,Xc))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var A=i.origin,c=A[0],h=A[1],d=A[2],p=Kc,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.transformPoint4(this.model.worldMatrix,p),re.transformPoint4(this.model.worldMatrix,p),p[0]+=c,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Ro.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Ro.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Ro.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Ro.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Ro.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Ro.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Ro.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Ro.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),eh=function(){function e(t){B(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),th=function(){function e(t){B(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),ih={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},rh=function(){function e(t,i,r){B(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),sh=new rh,nh=function(){function e(t){B(this,e),this.manager=void 0!==t?t:sh,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),oh={},ah=function(e){g(i,nh);var t=_(i);function i(e){return B(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=ih.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===oh[e]){oh[e]=[],oh[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=oh[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),A=0,c=i.length;A<c;A++){var h=i[A];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){ih.add(e,t);var i=oh[e];delete oh[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=oh[e];if(void 0===i)throw s.manager.itemError(e),t;delete oh[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else oh[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),lh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;B(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),uh=0,Ah=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;B(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new lh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new ah;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new ah;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=c(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* basis_transcoder.js */",s,"/* worker */",o.substring(o.indexOf("{")+1,o.lastIndexOf("}"))].join("\n");t._workerSourceURL=URL.createObjectURL(new Blob([a])),t._transcoderBinary=n,t._workerPool.setWorkerCreator((function(){var e=new Worker(t._workerSourceURL),i=t._transcoderBinary.slice(0);return e.postMessage({type:"init",config:t._workerConfig,transcoderBinary:i},[i]),e}))})),uh>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),uh++}return this._transcoderPending}},{key:"transcode",value:function(e,t){var i=this,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return new Promise((function(s,n){var o=r;i._init().then((function(){return i._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e)})).then((function(e){var i=e.data,r=i.mipmaps,o=(i.width,i.height,i.format),a=i.type,l=i.error,u=i.dfdTransferFn,A=i.dfdFlags;if("error"===a)return n(l);t.setCompressedData({mipmaps:r,props:{format:o,minFilter:1===r.length?1006:1008,magFilter:1===r.length?1006:1008,encoding:2===u?3001:3e3,premultiplyAlpha:!!(1&A)}}),s()}))}))}},{key:"destroy",value:function(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),uh--}}]),e}();Ah.BasisFormat={ETC1S:0,UASTC_4x4:1},Ah.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Ah.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},Ah.BasisWorker=function(){var e,t,i,r=_EngineFormat,s=_TranscoderFormat,n=_BasisFormat;self.addEventListener("message",(function(o){var A,c=o.data;switch(c.type){case"init":e=c.config,A=c.transcoderBinary,t=new Promise((function(e){i={wasmBinary:A,onRuntimeInitialized:e},BASIS(i)})).then((function(){i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((function(){try{for(var t=function(t){var o=new i.KTX2File(new Uint8Array(t));function A(){o.close(),o.delete()}if(!o.isValid())throw A(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");var c=o.isUASTC()?n.UASTC_4x4:n.ETC1S,h=o.getWidth(),d=o.getHeight(),p=o.getLevels(),f=o.getHasAlpha(),v=o.getDFDTransferFunc(),g=o.getDFDFlags(),m=function(t,i,o,A){for(var c,h,d=t===n.ETC1S?a:l,p=0;p<d.length;p++){var f=d[p];if(e[f.if]&&(f.basisFormat.includes(t)&&!(A&&f.transcoderFormat.length<2)&&(!f.needsPowerOfTwo||u(i)&&u(o))))return{transcoderFormat:c=f.transcoderFormat[A?1:0],engineFormat:h=f.engineFormat[A?1:0]}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=s.RGBA32,h=r.RGBAFormat,{transcoderFormat:c,engineFormat:h}}(c,h,d,f),_=m.transcoderFormat,y=m.engineFormat;if(!h||!d||!p)throw A(),new Error("KTX2TextureTranscoder: Invalid texture");if(!o.startTranscoding())throw A(),new Error("KTX2TextureTranscoder: .startTranscoding failed");for(var b=[],x=0;x<p;x++){var w=o.getImageLevelInfo(x,0,0),B=w.origWidth,P=w.origHeight,C=new Uint8Array(o.getImageTranscodedSizeInBytes(x,0,0,_));if(!o.transcodeImage(C,x,0,0,_,0,-1,-1))throw A(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:C,width:B,height:P})}return A(),{width:h,height:d,hasAlpha:f,mipmaps:b,format:y,dfdTransferFn:v,dfdFlags:g}}(c.buffers[0]),o=t.width,A=t.height,h=t.hasAlpha,d=t.mipmaps,p=t.format,f=t.dfdTransferFn,v=t.dfdFlags,g=[],m=0;m<d.length;++m)g.push(d[m].data.buffer);self.postMessage({type:"transcode",id:c.id,width:o,height:A,hasAlpha:h,mipmaps:d,format:p,dfdTransferFn:f,dfdFlags:v},g)}catch(e){console.error("[KTX2TextureTranscoder.BasisWorker]: ".concat(e)),self.postMessage({type:"error",id:c.id,error:e.message})}}))}}));var o=[{if:"astcSupported",basisFormat:[n.UASTC_4x4],transcoderFormat:[s.ASTC_4x4,s.ASTC_4x4],engineFormat:[r.RGBA_ASTC_4x4_Format,r.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC7_M5,s.BC7_M5],engineFormat:[r.RGBA_BPTC_Format,r.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC1,s.BC3],engineFormat:[r.RGB_S3TC_DXT1_Format,r.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1,s.ETC2],engineFormat:[r.RGB_ETC2_Format,r.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1],engineFormat:[r.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.PVRTC1_4_RGB,s.PVRTC1_4_RGBA],engineFormat:[r.RGB_PVRTC_4BPPV1_Format,r.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=o.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=o.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function u(e){return e<=2||0==(e&e-1)&&0!==e}};var ch={};function hh(e){var t=e.scene.id,i=ch[t];return i||(i=new Ah({viewer:e}),ch[t]=i,e.scene.on("destroyed",(function(){delete ch[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -14,7 +14,7 @@ var e,t=a().mark(CB),i=a().mark(MB),r=a().mark(OM);function s(e,t){var i=Object.
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/var gh=null;function mh(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,A=Math.min(i=gh[l],r=gh[l+1],s=gh[l+2]),c=Math.min(n=gh[u],o=gh[u+1],a=gh[u+2]);if(A!==c)return A-c;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function _h(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;gh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)gh[n]=e[n]>>t;i.sort(mh);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var yh=null;function bh(e,t){var i=yh[2*e]-yh[2*t];return 0!==i?i:yh[2*e+1]-yh[2*t+1]}function xh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}yh=new Int32Array(e),t.sort(bh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function wh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,A=s.length;u<A;u+=2){var c=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[c]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var Bh=re.vec4(4),Ph=re.vec4(),Ch=re.vec4(),Mh=re.vec3([1,0,0]),Eh=re.vec3([0,1,0]),Fh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var kh=re.identityMat4(),Ih=function(){function e(t){B(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||kh),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Bh[0]=e[0],Bh[1]=e[1],Bh[2]=e[2],Bh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Bh,Ph),re.mulQuaternions(this.quaternion,Ph,Ch),this.quaternion=Ch,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Bh[0]=e[0],Bh[1]=e[1],Bh[2]=e[2],Bh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Bh,Ph),re.mulQuaternions(Ph,this.quaternion,Ph),this}},{key:"rotateX",value:function(e){return this.rotate(Mh,e)}},{key:"rotateY",value:function(e){return this.rotate(Eh,e)}},{key:"rotateZ",value:function(e){return this.rotate(Fh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),Dh=re.vec3(),Sh=re.OBB3(),Th=re.vec4(),Rh=re.vec3([1,1,1]),Lh=re.vec3([0,0,0]);re.vec3([0,0,0]);var Uh=re.identityQuaternion(),Oh=re.identityMat4(),Nh=new Uint8Array([255,255,255]),Qh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=To(),r._textureTranscoder=s.textureTranscoder||hh(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new on,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new th({id:"defaultColorTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new th({id:"defaultMetalRoughTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new th({id:"defaultNormalsTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new th({id:"defaultEmissiveTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new th({id:"defaultOcclusionTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new eh({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||Oh),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}},{key:"rotationMatrixConjugate",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Ea(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ea(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Ma(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),ji.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&ji.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),A=0,c=l.length;A<c;A++)u[A]=255*l[A];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,5):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=ji.getUVBounds(e.uv),d=ji.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Gn({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var A=e.image;A.crossOrigin="Anonymous",u.setImage(A,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var c=e.src.split(".").pop();switch(c){case"jpeg":case"jpg":case"png":case"gif":var h=new Image;h.onload=function(){u.setImage(h,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},h.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(c,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new th({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new eh({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Ih({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||Rh,s=e.position||Lh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Th),e.meshMatrix=re.composeMat4(s,Th,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||Uh,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ea(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];je(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Ma(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),ji.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),A=0,c=e.buckets.length;A<c;A++){var h=e.buckets[A];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&ji.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),re.OBB3ToAABB3(Sh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,2):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Vh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];je(e.positions,d,Dh)&&(e.positions=d,e.origin=re.addVec3(e.origin,Dh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),ji.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),re.OBB3ToAABB3(Sh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,2):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||Rh,g=e.position||Lh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Th),e.meshMatrix=re.composeMat4(g,Th,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||Uh,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),e.aabb=re.OBB3ToAABB3(Sh,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=Vh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new Io(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new $c(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new FA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new Va({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new Zl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new Nu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new Dl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new Dl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new gu({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new AA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;this._visible&&!1!==e.visible&&(t|=We),this._pickable&&!1!==e.pickable&&(t|=Xe),this._culled&&!1!==e.culled&&(t|=Ke),this._clippable&&!1!==e.clippable&&(t|=Je),this._collidable&&!1!==e.collidable&&(t|=Ye),this._edges&&!1!==e.edges&&(t|=et),this._xrayed&&!1!==e.xrayed&&(t|=Ze),this._highlighted&&!1!==e.highlighted&&(t|=qe),this._selected&&!1!==e.selected&&(t|=$e),e.flags=t,this._createEntity(e)}else this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new rt(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==So&&0==--So&&Do._clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Vh(e,t,i){var r,s,n,o;if(t||i){var a=c(vh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=_h(e.indices||[],t),n=xh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var A=[];function c(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:A.length};return A.push(e),e}for(var h=c(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=c()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,x=2*r.length+(s.length+n.length)*y,w=0;return r.length,A.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>x?[e]:(i&&wh(A,e),A)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var Hh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new Qh(b(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),jh=re.vec3(),Gh=re.vec3(),zh=re.vec3(),Wh=re.vec3(),Kh=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=Yh(a),l=Yh(l),u=Yh(u));var A=Xh(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Xh(a),camera_up_vector:Xh(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Xh(a),camera_up_vector:Xh(u),field_of_view:r.perspective.fov};var h=i.sectionPlanes;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];if(!p.active)continue;var f=p.pos,v=void 0;v=n?re.negateVec3(p.dir,re.vec3()):p.dir,r.yUp&&(f=Yh(f),v=Yh(v)),re.addVec3(f,s),f=Xh(f),v=Xh(v),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:f,direction:v})}var g=i.lineSets;for(var m in g)if(g.hasOwnProperty(m)){var _=g[m];o.lines||(o.lines=[]);for(var y=_.positions,b=_.indices,x=0,w=b.length/2;x<w;x++){var B=b[2*x],P=b[2*x+1];o.lines.push({start_point:{x:y[3*B+0],y:y[3*B+1],z:y[3*B+2]},end_point:{x:y[3*P+0],y:y[3*P+1],z:y[3*P+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=Yh(F),k=Yh(k),I=Yh(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:Xh(F),normal:Xh(k),up:Xh(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),R=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=qh(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),L=Object.entries(R).map((function(e){var t=c(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=L;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,A=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=Jh(e.location,jh),i=Jh(e.direction,jh);A&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=Zh(t),i=Zh(i)),new Bn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var c=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(c.push(e.start_point.x),c.push(e.start_point.y),c.push(e.start_point.z),c.push(e.end_point.x),c.push(e.end_point.y),c.push(e.end_point.z),h.push(d++),h.push(d++))})),new Hh(s,{positions:c,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=Jh(e.location,Gh),o=Jh(e.normal,zh),a=Jh(e.up,Wh),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=Zh(r),o=Zh(o),a=Zh(a)),new ho(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=Jh(e.perspective_camera.camera_view_point,jh),v=Jh(e.perspective_camera.camera_direction,jh),g=Jh(e.perspective_camera.camera_up_vector,jh),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=Jh(e.orthogonal_camera.camera_view_point,jh),v=Jh(e.orthogonal_camera.camera_direction,jh),g=Jh(e.orthogonal_camera.camera_up_vector,jh),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=Zh(f),v=Zh(v),g=Zh(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,jh)}else v=re.addVec3(f,v,jh);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Xh(e){return{x:e[0],y:e[1],z:e[2]}}function Jh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Yh(e){return new Float64Array([e[0],-e[2],e[1]])}function Zh(e){return new Float64Array([e[0],e[2],-e[1]])}function qh(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var $h=re.vec3(),ed=re.vec3(),td=function(e,t,i,r){var s=e-i,n=t-r;return Math.sqrt(s*s+n*n)};var id=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._eventSubs={};var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(24),r._vp=new Float64Array(24),r._pp=new Float64Array(24),r._cp=new Float64Array(8),r._xAxisLabelCulled=!1,r._yAxisLabelCulled=!1,r._zAxisLabelCulled=!1,r._color=s.color||r.plugin.defaultColor;var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},c=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};return r._originDot=new ut(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._targetDot=new ut(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._lengthWire=new ht(r._container,{color:r._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._xAxisWire=new ht(r._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._yAxisWire=new ht(r._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._zAxisWire=new ht(r._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._lengthLabel=new dt(r._container,{fillColor:r._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._xAxisLabel=new dt(r._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._yAxisLabel=new dt(r._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._zAxisLabel=new dt(r._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._measurementOrientation="Horizontal",r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._sectionPlanesDirty=!0,r._visible=!1,r._originVisible=!1,r._targetVisible=!1,r._wireVisible=!1,r._axisVisible=!1,r._xAxisVisible=!1,r._yAxisVisible=!1,r._zAxisVisible=!1,r._axisEnabled=!0,r._xLabelEnabled=!1,r._yLabelEnabled=!1,r._zLabelEnabled=!1,r._lengthLabelEnabled=!1,r._labelsVisible=!1,r._labelsOnWires=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onMetricsUnits=n.metrics.on("units",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsScale=n.metrics.on("scale",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsOrigin=n.metrics.on("origin",(function(){r._cpDirty=!0,r._needUpdate()})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.targetVisible=s.targetVisible,r.wireVisible=s.wireVisible,r.axisVisible=s.axisVisible,r.xAxisVisible=s.xAxisVisible,r.yAxisVisible=s.yAxisVisible,r.zAxisVisible=s.zAxisVisible,r.xLabelEnabled=s.xLabelEnabled,r.yLabelEnabled=s.yLabelEnabled,r.zLabelEnabled=s.zLabelEnabled,r.lengthLabelEnabled=s.lengthLabelEnabled,r.labelsVisible=s.labelsVisible,r.labelsOnWires=s.labelsOnWires,r.useRotationAdjustment=s.useRotationAdjustment,r._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r}return C(i,[{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}},{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{var t=re.subVec3(this._targetWorld,this._originWorld,ed);this._factors=re.transformVec3(this._axesBasis,t),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}var i=this._originDot.viewPos[2],r=this._targetDot.viewPos[2];if(i>-.3||r>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var s=this._pp,n=this._cp,o=e.canvas.canvas.getBoundingClientRect(),a=this._container.getBoundingClientRect(),l=o.top-a.top,u=o.left-a.left,A=e.canvas.boundary,c=A[2],h=A[3],d=0,p=this.plugin.viewer.scene.metrics,f=p.scale,v=p.units,g=p.unitsInfo[v].abbrev,m=0,_=s.length;m<_;m+=4)n[d]=u+Math.floor((1+s[m+0]/s[m+3])*c/2),n[d+1]=l+Math.floor((1-s[m+1]/s[m+3])*h/2),d+=2;if(this._lengthWire.setStartAndEnd(n[0],n[1],n[6],n[7]),this._xAxisWire.setStartAndEnd(n[0],n[1],n[2],n[3]),this._yAxisWire.setStartAndEnd(n[2],n[3],n[4],n[5]),this._zAxisWire.setStartAndEnd(n[4],n[5],n[6],n[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(n[0],n[1],n[6],n[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(n[0],n[1],n[2],n[3]),this._yAxisLabel.setPosOnWire(n[2],n[3],n[4],n[5]),this._zAxisLabel.setPosOnWire(n[4],n[5],n[6],n[7]);else{var y=35;this._xAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._yAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._zAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y)}var b=this._approximate?" ~ ":" = ";this._length=Math.abs(re.lenVec3(re.subVec3(this._targetWorld,this._originWorld,$h))),this._lengthLabel.setText(b+(this._length*f).toFixed(2)+g);var x=Math.abs(td(n[0],n[1],n[2],n[3])),w=Math.abs(td(n[2],n[3],n[4],n[5])),B=Math.abs(td(n[4],n[5],n[6],n[7])),P=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=x<P,this._yAxisLabelCulled=w<P,this._zAxisLabelCulled=B<P):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(b+Math.abs(this._factors[0]*f).toFixed(2)+g),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(b+Math.abs(this._factors[1]*f).toFixed(2)+g),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(b+Math.abs(re.lenVec3(re.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],$h))*f).toFixed(2)+g)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(b+Math.abs(this._factors[2]*f).toFixed(2)+g)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){this._update();var e=this.plugin.viewer.scene.metrics.scale;return this._length*e}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);var t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,r=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(r),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(r&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}},{key:"axisEnabled",get:function(){return this._axisEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"axisVisible",get:function(){return this._axisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}},{key:"xAxisVisible",get:function(){return this._xAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;var t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yAxisVisible",get:function(){return this._yAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;var t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zAxisVisible",get:function(){return this._zAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;var t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"wireVisible",get:function(){return this._wireVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"labelsOnWires",get:function(){return this._labelsOnWires},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),rd=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),sd=function(e){g(i,rd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div");e.setAttribute("id","myMarkerDiv");var t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){if(this._markerDiv){var e=document.getElementById("myMarkerDiv");e.parentNode.removeChild(e),this._markerDiv=null}}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),A=null;this._mouseState=0;var c=function e(t){return t.offsetTop+(t.offsetParent&&t.offsetParent!==s.parentNode&&e(t.offsetParent))},h=function e(t){return t.offsetLeft+(t.offsetParent&&t.offsetParent!==s.parentNode&&e(t.offsetParent))},d=re.vec2(),p=function(t){var i=t.snappedCanvasPos||t.canvasPos;a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState?(e._canvasToPagePos?(e._canvasToPagePos(s,i,d),e._markerDiv.style.left="".concat(d[0]-5,"px"),e._markerDiv.style.top="".concat(d[1]-5,"px")):(e._markerDiv.style.left="".concat(h(s)+i[0]-5,"px"),e._markerDiv.style.top="".concat(c(s)+i[1]-5,"px")),e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),A=t.entity):(e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px"),s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&p(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||p(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=A,A=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,A=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:A},target:{worldPos:l.slice(),entity:A},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=A,A=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var f=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&f(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||f(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),nd=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new sd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new id(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),od=function(e){g(i,rd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),A=null,c=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:v.entity},target:{worldPos:s,entity:v.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,c())}),e._longTouchTimeoutMs),e._touchState=1,A=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,c()}}),e._longTouchTimeoutMs),e._touchState=4),A=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(r){e.pointerCircle.stop();var n=r.touches.length;if(1===n&&1===r.changedTouches.length){var a,u,c=r.touches[0],h=c.clientX,d=c.clientY;if(c.identifier===A)switch(l.set([h,d]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(a.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=a.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:a.worldPos,entity:a.entity},target:{worldPos:a.worldPos,entity:a.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=a.worldPos,e._currentDistanceMeasurement.target.entity=a.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var c=r.changedTouches[0],d=c.clientX,p=c.clientY;if(c.identifier===A)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentDistanceMeasurement.target.worldPos=v.worldPos,e._currentDistanceMeasurement.target.entity=v.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ad=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ct({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ld=function(e){g(i,ad);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),ud=function(e){g(i,ad);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ad=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor||1,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e||1}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),cd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),A=new Uint8Array(u),c=0;c<l.length;c++)A[c]=l.charCodeAt(c);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var hd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=dd(e,i);return r?t?pd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=dd(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=pd(s,[t]),i&&(s=pd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function dd(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function pd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var fd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),vd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),gd=re.vec3(),md=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new vd(b(r)),r._lookCurve=new vd(b(r)),r._upCurve=new vd(b(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,gd),t.look=this._lookCurve.getPoint(e,gd),t.up=this._upCurve.getPoint(e,gd)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),_d=re.vec3(),yd=re.vec3(),bd=re.vec3(),xd=re.vec3(),wd=re.vec3(),Bd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var A=e;if((he.isNumeric(A)||he.isString(A))&&(a=A,!(A=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=A.aabb||this.scene.aabb)}var c=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=c||h;var d=re.subVec3(this._eye1,this._look1,_d),p=re.normalizeVec3(d),f=c?re.getAABB3DiagPoint(r,c):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,A=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,wd):re.subVec3(o.eye,o.look,wd),re.normalizeVec3(wd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(A/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,_d)),re.mulVec3Scalar(wd,u),o.eye=re.addVec3(s,wd,_d),o.look=s,this.scene.camera.ortho.scale=1.1*A}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,wd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,bd),s.look=re.subVec3(bd,wd,yd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,yd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,xd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,bd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,yd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,xd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),f(x(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Pd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new Bd(b(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,b(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Pd.STOPPED=0,Pd.SCRUBBING=1,Pd.PLAYING=2,Pd.PLAYING_TO=3;var Cd=re.vec3(),Md=re.vec3();re.vec3();var Ed=re.vec3([0,-1,0]),Fd=re.vec4([0,0,0,1]),kd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new Yn(b(r)),r._plane=new gn(b(r),{geometry:new Wi(b(r),ao({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new Zi(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new gn(b(r),{geometry:new Wi(b(r),oo({size:1,divisions:10})),material:new Zi(b(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new Tn(b(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),He(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,Cd);var r=-re.dotVec3(i,Cd);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Md),re.vec3PairToQuaternion(Ed,e,Fd),this._node.quaternion=Fd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),Id=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=b(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ai({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new si(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function Dd(e){return 0==(e&e-1)}function Sd(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Td=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new Ai({texture:new Gn({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!Dd(e.width)||!Dd(e.height)){var t=document.createElement("canvas");t.width=Sd(e.width),t.height=Sd(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new Gn({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),Rd=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),Ld=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),Ud=function(e){g(i,ot);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new Yn(b(r),{src:s.src}),r._geometry=new Wi(b(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new gn(b(r),{geometry:r._geometry,material:new Zi(b(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,f(x(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),Od=function(){function e(t){B(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),Nd=re.vec3(),Qd=function(){function e(t){if(B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,A=!i||i.colorize,c=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),A){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}c&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,A=!i||i.colorize,c=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),A&&(Nd[0]=this.objectsColorize[3*p+0],Nd[1]=this.objectsColorize[3*p+1],Nd[2]=this.objectsColorize[3*p+2],v.colorize=Nd),c&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),Vd=re.vec3(),Hd=function(){function e(){B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,A=!t||t.colorize,c=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),A){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}c&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,A=!t||t.opacity,c=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[c]),r&&(p.edges=this.objectsEdges[c]),s&&(p.xrayed=this.objectsXrayed[c]),n&&(p.highlighted=this.objectsHighlighted[c]),o&&(p.selected=this.objectsSelected[c]),a&&(p.clippable=this.objectsClippable[c]),l&&(p.pickable=this.objectsPickable[c]),u&&(this.objectsHasColorize[c]?(Vd[0]=this.objectsColorize[3*c+0],Vd[1]=this.objectsColorize[3*c+1],Vd[2]=this.objectsColorize[3*c+2],p.colorize=Vd):p.colorize=null),A&&(p.opacity=this.objectsOpacity[c]),c++}}}]),e}(),jd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),Gd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(f(x(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),zd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),Wd=function(e){g(i,Qh);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i)}(),Kd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._skyboxMesh=new gn(b(r),{geometry:new Wi(b(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Zi(b(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Yn(b(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),Xd=function(){function e(){B(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Jd=re.vec4(),Yd=re.vec4(),Zd=re.vec3(),qd=re.vec3(),$d=re.vec3(),ep=re.vec4(),tp=re.vec4(),ip=re.vec4(),rp=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,Zd);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,ep),a=re.subVec3(o,s.eye,ip),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,Zd),A=re.lenVec3(u),c=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,qd)),A);s.look=[s.eye[0]+c[0],s.eye[1]+c[1],s.eye[2]+c[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,ep);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,tp),p=re.subVec3(d,h,ip),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,Zd)),-i,qd),v=re.addVec3(p,f,$d);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,Jd,Yd,t),t}},{key:"destroy",value:function(){}}]),e}(),sp=re.vec3(),np=re.vec3(),op=re.vec3(),ap=re.vec4(),lp=re.vec4(),up=re.vec4(),Ap=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),He(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new eo(this._scene,yn({radius:r})),this._pivotSphere=new gn(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(He(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new Zi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,sp)),i=re.cross3Vec3(t,e.worldUp,np);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=ap;t.project.unproject(e,a,lp,up,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,sp)),A=re.addVec3(t.eye,re.mulVec3Scalar(u,i,np),op);this.setPivotPos(A)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var A=re.transformVec3(u,this._cameraOffset);u[12]-=A[0],u[13]-=A[1],u[14]-=A[2];var c=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(c,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),cp=function(){function e(t,i){B(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new Lt;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),hp=re.vec2(),dp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a,l,u=i.pickController,A=0,c=0,h=0,d=0,p=!1,f=re.vec3(),v=!0,g=this._scene.canvas.canvas,m=[];function _(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];g.style.cursor="move",y(),e&&b()}function y(){A=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],h=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1]}function b(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(p=!0,f.set(u.pickResult.worldPos)):p=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;m[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;m[i]=!1}}),g.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:m[t.input.KEY_SHIFT]||r.planView?(o=!0,_()):(o=!0,_(!1));break;case 2:a=!0,_();break;case 3:l=!0,r.panRightClick&&_()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],h=i[3],d=s.pointerCanvasPos[0],v=s.pointerCanvasPos[1],g=m[t.input.KEY_SHIFT]||r.planView||!r.panRightClick&&a||r.panRightClick&&l,_=document.pointerLockElement?e.movementX:d-A,y=document.pointerLockElement?e.movementY:v-c;if(g){var b=t.camera;if("perspective"===b.projection){var x=Math.abs(p?re.lenVec3(re.subVec3(f,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(b.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*_*x/h,n.panDeltaY+=1.5*y*x/h}else n.panDeltaX+=.5*b.ortho.scale*(_/h),n.panDeltaY+=.5*b.ortho.scale*(y/h)}else!o||a||l||r.planView||(r.firstPerson?(n.rotateDeltaY-=_/u*r.dragRotationRate/2,n.rotateDeltaX+=y/h*(r.dragRotationRate/4)):(n.rotateDeltaY-=_/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=y/h*(1.5*r.dragRotationRate)));A=d,c=v}}),g.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(v=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1}}),g.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,hp);var t=hp[0],s=hp[1];Math.abs(t-h)<3&&Math.abs(s-d)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:hp,event:e},!0)}g.style.removeProperty("cursor")}}),g.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var x=1/60,w=null;g.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel){var t=performance.now()/1e3,i=null!==w?t-w:0;w=t,i>.05&&(i=.05),i<x&&(i=x);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,v&&(s.followPointerDirty=!0,v=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),pp=re.vec3(),fp=re.vec3(),vp=re.vec3(),gp=re.vec3(),mp=re.vec3(),_p={eye:re.vec3(),look:re.vec3(),up:re.vec3()},yp=function(){function e(t,i,r,s){B(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),A=n._isKeyDownForAction(n.AXIS_VIEW_TOP),c=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||A||c){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,pp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;_p.orthoScale=f,e?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldRight,p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):a?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldForward,p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):l?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldRight,-p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):u?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldForward,-p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):A?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldUp,p,fp),mp)),_p.look.set(pp),_p.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,vp),gp))):c&&(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldUp,-p,fp),mp)),_p.look.set(pp),_p.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,vp)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(pp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(_p,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(_p),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),bp=function(){function e(t,i,r,s,n){var o=this;B(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;var A=!1,c=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!A&&!c){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(A=!0),3===e.which&&(c=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(A=!1),3===e.which&&(c=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),A=u.hasSubs("pickedNothing"),c=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||A||c)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=c,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=c,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v&&v.worldPos?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),xp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.input,a=[],l=t.canvas.canvas,u=!0;this._onSceneMouseMove=o.on("mousemove",(function(){u=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0,e===o.KEY_SHIFT&&(l.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,e===o.KEY_SHIFT&&(l.style.cursor=null),i.pivotController.getPivoting()&&i.pivotController.endPivot())})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var l=i.cameraControl,A=e.deltaTime/1e3;if(!r.planView){var c=l._isKeyDownForAction(l.ROTATE_Y_POS,a),h=l._isKeyDownForAction(l.ROTATE_Y_NEG,a),d=l._isKeyDownForAction(l.ROTATE_X_POS,a),p=l._isKeyDownForAction(l.ROTATE_X_NEG,a),f=A*r.keyboardRotationRate;(c||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),c?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=l._isKeyDownForAction(l.DOLLY_BACKWARDS,a),g=l._isKeyDownForAction(l.DOLLY_FORWARDS,a);if(v||g){var m=A*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),u&&(s.followPointerDirty=!0,u=!1)}}var _=l._isKeyDownForAction(l.PAN_FORWARDS,a),y=l._isKeyDownForAction(l.PAN_BACKWARDS,a),b=l._isKeyDownForAction(l.PAN_LEFT,a),x=l._isKeyDownForAction(l.PAN_RIGHT,a),w=l._isKeyDownForAction(l.PAN_UP,a),B=l._isKeyDownForAction(l.PAN_DOWN,a),P=(a[o.KEY_ALT]?.3:1)*A*r.keyboardPanRate;(_||y||b||x||w||B)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),B?n.panDeltaY+=P:w&&(n.panDeltaY+=-P),x?n.panDeltaX+=-P:b&&(n.panDeltaX+=P),y?n.panDeltaZ+=P:_&&(n.panDeltaZ+=-P))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),wp=re.vec3(),Bp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,A=1,c=1,h=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--A<=0&&(A=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?h=a.pickResult.worldPos:(c=1,h=null),s.followPointerDirty=!1),h){var i=Math.abs(re.lenVec3(re.subVec3(h,t.camera.eye,wp)));c=i/r.dollyProximityThreshold}c<r.dollyMinSpeed&&(c=r.dollyMinSpeed)}}else c=1,h=null;var d=n.dollyDelta*c;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e="grabbing"),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var p,f,v=re.vec3();if(v[0]=n.panDeltaX,v[1]=n.panDeltaY,v[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(p=o.eye[0],f=o.look[0]):o.yUp?(p=o.eye[1],f=o.look[1]):o.zUp&&(p=o.eye[2],f=o.look[2]),o.pan(v);var g=o.eye,m=o.look;o.xUp?(g[0]=p,m[0]=f):o.yUp?(g[1]=p,m[1]=f):o.zUp&&(g[2]=p,m[2]=f),o.eye=g,o.look=m}else o.pan(v);e="grabbing"}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==d){if(e=d<0?"zoom-in":"zoom-out",r.firstPerson){var _,y;if(r.constrainVertical&&(o.xUp?(_=o.eye[0],y=o.look[0]):o.yUp?(_=o.eye[1],y=o.look[1]):o.zUp&&(_=o.eye[2],y=o.look[2])),r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(r.constrainVertical){var b=o.eye,x=o.look;o.xUp?(b[0]=_,x[0]=y):o.yUp?(b[1]=_,x[1]=y):o.zUp&&(b[2]=_,x[2]=y),o.eye=b,o.look=x}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}else{if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){Cp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(Cp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function Cp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Mp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Ep=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),A=re.vec2(),c=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Mp(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,A=i.length;u<A;++u)Mp(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&a.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Mp(d[0],u),re.subVec2(u,h[0],c);var v=c[0],g=c[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Mp(y,u),Mp(b,A);var x=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,A),B=re.vec2();re.subVec2(x,w,B);var P=B[0],C=B[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=P*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(P/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Mp(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),Fp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},kp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],A=new Float32Array(2),c=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){c=o,Fp(t[0],A);var a=A[0],l=A[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else c=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)Fp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&c>-1&&t-c<150&&(h>-1&&c-h<325?(Fp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],A)<4&&(Fp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),c=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),Ip=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:b(r),pickController:new cp(b(r),r._configs),pivotController:new Ap(n,r._configs),panController:new rp(n),cameraFlight:new Bd(b(r),{duration:.5})},r._handlers=[new Pp(r.scene,r._controllers,r._configs,r._states,r._updates),new Ep(r.scene,r._controllers,r._configs,r._states,r._updates),new dp(r.scene,r._controllers,r._configs,r._states,r._updates),new yp(r.scene,r._controllers,r._configs,r._states,r._updates),new bp(r.scene,r._controllers,r._configs,r._states,r._updates),new kp(r.scene,r._controllers,r._configs,r._states,r._updates),new xp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cameraUpdater=new Bp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){if(t[i[r]])return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),Dp=C((function e(t,i,r,s,n){B(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),Sp=C((function e(t){if(B(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new Dp(n.name,n.value,n.type,n.valueType,n.description))}})),Tp=function(){function e(t){B(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),Rp=function(){function e(t){B(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new Sp({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var A=0,c=e.metaObjects.length;A<c;A++){var h=e.metaObjects[A],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new Tp({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects.push(p),h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var A in e.metaObjects){e.metaObjects[A].metaModels=[]}for(var c in e.metaModels)for(var h=e.metaModels[c],d=0,p=h.metaObjects.length;d<p;d++){h.metaObjects[d].metaModels.push(h)}for(var f in e.metaObjectsByType={},e.metaObjects){var v=e.metaObjects[f],g=v.type;(e.metaObjectsByType[g]||(e.metaObjectsByType[g]={}))[f]=v}if(this.propertySets)for(var m=0,_=this.propertySets.length;m<_;m++){var y=this.propertySets[m];this._decompressProperties(this._propertyLookup,y.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=0,i=this.metaObjects.length;t<i;t++){var r=this.metaObjects[t],s={id:r.id,originalSystemId:r.originalSystemId,extId:r.extId,type:r.type,name:r.name};r.parent&&(s.parent=r.parent.id),r.attributes&&(s.attributes=r.attributes),r.propertySetIds&&(s.propertySetIds=r.propertySetIds),e.metaObjects.push(s)}for(var n=0,o=this.propertySets.length;n<o;n++){for(var a=this.propertySets[n],l={id:a.id,originalSystemId:a.originalSystemId,extId:a.extId,type:a.type,name:a.name,propertyies:[]},u=0,A=a.properties.length;u<A;u++){var c=a.properties[u],h={id:c.id,description:c.description,type:c.type,name:c.name,value:c.value,valueType:c.valueType};l.properties.push(h)}e.propertySets.push(l)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var A=0,c=e.propertySets.length;A<c;A++){var h=e.propertySets[A];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),Lp=function(){function e(t,i){B(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new Rp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var A=t.metaObjects[l];A.type;var c=A.id;1===A.metaModels.length&&A.metaModels[0].id===e&&(delete this.metaObjects[c],A.parent||delete this.rootMetaObjects[c])}for(var h in this.metaObjects){var d=this.metaObjects[h];if(d.children&&(d.children=[]),d.propertySets&&(d.propertySets=[]),d.propertySetIds)for(var p=0,f=d.propertySetIds.length;p<f;p++){var v=d.propertySetIds[p],g=this.propertySets[v];d.propertySets.push(g)}}for(var m in this.metaObjectsByType={},this.metaObjects){var _=this.metaObjects[m],y=_.type;_.children&&(_.children=null),(this.metaObjectsByType[y]||(this.metaObjectsByType[y]={}))[m]=_}for(var b in this.metaObjects){var x=this.metaObjects[b];if(x.parentId){var w=this.metaObjects[x.parentId];w&&(x.parent=w,(w.children||(w.children=[])).push(x))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var P in this.metaModels)for(var C=this.metaModels[P],M=0,E=C.metaObjects.length;M<E;M++){C.metaObjects[M].metaModels.push(C)}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?Up(t):null,o=i&&i.length>0?Up(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function Up(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
+ **/var gh=null;function mh(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,A=Math.min(i=gh[l],r=gh[l+1],s=gh[l+2]),c=Math.min(n=gh[u],o=gh[u+1],a=gh[u+2]);if(A!==c)return A-c;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function _h(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;gh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)gh[n]=e[n]>>t;i.sort(mh);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var yh=null;function bh(e,t){var i=yh[2*e]-yh[2*t];return 0!==i?i:yh[2*e+1]-yh[2*t+1]}function xh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}yh=new Int32Array(e),t.sort(bh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function wh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,A=s.length;u<A;u+=2){var c=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[c]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var Bh=re.vec4(4),Ph=re.vec4(),Ch=re.vec4(),Mh=re.vec3([1,0,0]),Eh=re.vec3([0,1,0]),Fh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var kh=re.identityMat4(),Ih=function(){function e(t){B(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||kh),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Bh[0]=e[0],Bh[1]=e[1],Bh[2]=e[2],Bh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Bh,Ph),re.mulQuaternions(this.quaternion,Ph,Ch),this.quaternion=Ch,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Bh[0]=e[0],Bh[1]=e[1],Bh[2]=e[2],Bh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Bh,Ph),re.mulQuaternions(Ph,this.quaternion,Ph),this}},{key:"rotateX",value:function(e){return this.rotate(Mh,e)}},{key:"rotateY",value:function(e){return this.rotate(Eh,e)}},{key:"rotateZ",value:function(e){return this.rotate(Fh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),Dh=re.vec3(),Sh=re.OBB3(),Th=re.vec4(),Rh=re.vec3([1,1,1]),Lh=re.vec3([0,0,0]);re.vec3([0,0,0]);var Uh=re.identityQuaternion(),Oh=re.identityMat4(),Nh=new Uint8Array([255,255,255]),Qh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=To(),r._textureTranscoder=s.textureTranscoder||hh(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new on,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new th({id:"defaultColorTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new th({id:"defaultMetalRoughTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new th({id:"defaultNormalsTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new th({id:"defaultEmissiveTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new th({id:"defaultOcclusionTexture",texture:new Gn({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new eh({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||Oh),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1)}},{key:"rotationMatrixConjugate",get:function(){return this._matrixDirty&&this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._matrixDirty&&(this._rebuildMatrices(),this._viewMatrixDirty=!0),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Ea(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ea(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Ma(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),ji.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&ji.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),A=0,c=l.length;A<c;A++)u[A]=255*l[A];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,5):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=ji.getUVBounds(e.uv),d=ji.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Gn({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var A=e.image;A.crossOrigin="Anonymous",u.setImage(A,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var c=e.src.split(".").pop();switch(c){case"jpeg":case"jpg":case"png":case"gif":var h=new Image;h.onload=function(){u.setImage(h,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},h.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(c,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new th({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new eh({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Ih({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||Rh,s=e.position||Lh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Th),e.meshMatrix=re.composeMat4(s,Th,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||Uh,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ea(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];je(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Ma(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),ji.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),A=0,c=e.buckets.length;A<c;A++){var h=e.buckets[A];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&ji.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),re.OBB3ToAABB3(Sh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,2):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Vh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];je(e.positions,d,Dh)&&(e.positions=d,e.origin=re.addVec3(e.origin,Dh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),ji.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),re.OBB3ToAABB3(Sh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Li(e.positions,e.indices,null,2):e.edgeIndices=Li(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||Rh,g=e.position||Lh;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",Th),e.meshMatrix=re.composeMat4(g,Th,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||Uh,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,Sh),re.transformOBB3(e.meshMatrix,Sh),e.aabb=re.OBB3ToAABB3(Sh,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=Vh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Nh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new Io(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new $c(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new FA(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new Va({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new Zl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new Nu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new Dl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new Dl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new gu({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new AA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;this._visible&&!1!==e.visible&&(t|=We),this._pickable&&!1!==e.pickable&&(t|=Xe),this._culled&&!1!==e.culled&&(t|=Ke),this._clippable&&!1!==e.clippable&&(t|=Je),this._collidable&&!1!==e.collidable&&(t|=Ye),this._edges&&!1!==e.edges&&(t|=et),this._xrayed&&!1!==e.xrayed&&(t|=Ze),this._highlighted&&!1!==e.highlighted&&(t|=qe),this._selected&&!1!==e.selected&&(t|=$e),e.flags=t,this._createEntity(e)}else this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new rt(this,e.isObject,e.id,t,e.flags,!0);this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==So&&0==--So&&Do._clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Vh(e,t,i){var r,s,n,o;if(t||i){var a=c(vh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=_h(e.indices||[],t),n=xh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var A=[];function c(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:A.length};return A.push(e),e}for(var h=c(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=c()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,x=2*r.length+(s.length+n.length)*y,w=0;return r.length,A.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>x?[e]:(i&&wh(A,e),A)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var Hh=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new Qh(b(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),jh=re.vec3(),Gh=re.vec3(),zh=re.vec3(),Wh=re.vec3(),Kh=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=Yh(a),l=Yh(l),u=Yh(u));var A=Xh(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Xh(a),camera_up_vector:Xh(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Xh(a),camera_up_vector:Xh(u),field_of_view:r.perspective.fov};var h=i.sectionPlanes;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];if(!p.active)continue;var f=p.pos,v=void 0;v=n?re.negateVec3(p.dir,re.vec3()):p.dir,r.yUp&&(f=Yh(f),v=Yh(v)),re.addVec3(f,s),f=Xh(f),v=Xh(v),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:f,direction:v})}var g=i.lineSets;for(var m in g)if(g.hasOwnProperty(m)){var _=g[m];o.lines||(o.lines=[]);for(var y=_.positions,b=_.indices,x=0,w=b.length/2;x<w;x++){var B=b[2*x],P=b[2*x+1];o.lines.push({start_point:{x:y[3*B+0],y:y[3*B+1],z:y[3*B+2]},end_point:{x:y[3*P+0],y:y[3*P+1],z:y[3*P+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=Yh(F),k=Yh(k),I=Yh(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:Xh(F),normal:Xh(k),up:Xh(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),R=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=qh(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),L=Object.entries(R).map((function(e){var t=c(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=L;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,A=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=Jh(e.location,jh),i=Jh(e.direction,jh);A&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=Zh(t),i=Zh(i)),new Bn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var c=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(c.push(e.start_point.x),c.push(e.start_point.y),c.push(e.start_point.z),c.push(e.end_point.x),c.push(e.end_point.y),c.push(e.end_point.z),h.push(d++),h.push(d++))})),new Hh(s,{positions:c,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=Jh(e.location,Gh),o=Jh(e.normal,zh),a=Jh(e.up,Wh),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=Zh(r),o=Zh(o),a=Zh(a)),new ho(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=Jh(e.perspective_camera.camera_view_point,jh),v=Jh(e.perspective_camera.camera_direction,jh),g=Jh(e.perspective_camera.camera_up_vector,jh),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=Jh(e.orthogonal_camera.camera_view_point,jh),v=Jh(e.orthogonal_camera.camera_direction,jh),g=Jh(e.orthogonal_camera.camera_up_vector,jh),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=Zh(f),v=Zh(v),g=Zh(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,jh)}else v=re.addVec3(f,v,jh);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}}]),i}();function Xh(e){return{x:e[0],y:e[1],z:e[2]}}function Jh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Yh(e){return new Float64Array([e[0],-e[2],e[1]])}function Zh(e){return new Float64Array([e[0],e[2],-e[1]])}function qh(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var $h=re.vec3(),ed=re.vec3(),td=function(e,t,i,r){var s=e-i,n=t-r;return Math.sqrt(s*s+n*n)};var id=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(B(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";r._eventSubs={};var n=r.plugin.viewer.scene;r._originWorld=re.vec3(),r._targetWorld=re.vec3(),r._wp=new Float64Array(24),r._vp=new Float64Array(24),r._pp=new Float64Array(24),r._cp=new Float64Array(8),r._xAxisLabelCulled=!1,r._yAxisLabelCulled=!1,r._zAxisLabelCulled=!1,r._color=s.color||r.plugin.defaultColor;var o=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousedown",e))},u=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mouseup",e))},A=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent("mousemove",e))},c=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){r.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))};return r._originDot=new ut(n,s.origin,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._targetDot=new ut(n,s.target,r._container,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._lengthWire=new ht(r._container,{color:r._color,thickness:2,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._xAxisWire=new ht(r._container,{color:"#FF0000",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._yAxisWire=new ht(r._container,{color:"green",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._zAxisWire=new ht(r._container,{color:"blue",thickness:1,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._lengthLabel=new dt(r._container,{fillColor:r._color,prefix:"",text:"",zIndex:void 0!==e.zIndex?e.zIndex+4:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._xAxisLabel=new dt(r._container,{fillColor:"red",prefix:"X",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._yAxisLabel=new dt(r._container,{fillColor:"green",prefix:"Y",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._zAxisLabel=new dt(r._container,{fillColor:"blue",prefix:"Z",text:"",zIndex:void 0!==e.zIndex?e.zIndex+3:void 0,onMouseOver:o,onMouseLeave:a,onMouseWheel:h,onMouseDown:l,onMouseUp:u,onMouseMove:A,onContextMenu:c}),r._measurementOrientation="Horizontal",r._wpDirty=!1,r._vpDirty=!1,r._cpDirty=!1,r._sectionPlanesDirty=!0,r._visible=!1,r._originVisible=!1,r._targetVisible=!1,r._wireVisible=!1,r._axisVisible=!1,r._xAxisVisible=!1,r._yAxisVisible=!1,r._zAxisVisible=!1,r._axisEnabled=!0,r._xLabelEnabled=!1,r._yLabelEnabled=!1,r._zLabelEnabled=!1,r._lengthLabelEnabled=!1,r._labelsVisible=!1,r._labelsOnWires=!1,r._clickable=!1,r._originDot.on("worldPos",(function(e){r._originWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._targetDot.on("worldPos",(function(e){r._targetWorld.set(e||[0,0,0]),r._wpDirty=!0,r._needUpdate(0)})),r._onViewMatrix=n.camera.on("viewMatrix",(function(){r._vpDirty=!0,r._needUpdate(0)})),r._onProjMatrix=n.camera.on("projMatrix",(function(){r._cpDirty=!0,r._needUpdate()})),r._onCanvasBoundary=n.canvas.on("boundary",(function(){r._cpDirty=!0,r._needUpdate(0)})),r._onMetricsUnits=n.metrics.on("units",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsScale=n.metrics.on("scale",(function(){r._cpDirty=!0,r._needUpdate()})),r._onMetricsOrigin=n.metrics.on("origin",(function(){r._cpDirty=!0,r._needUpdate()})),r._onSectionPlaneUpdated=n.on("sectionPlaneUpdated",(function(){r._sectionPlanesDirty=!0,r._needUpdate()})),r.approximate=s.approximate,r.visible=s.visible,r.originVisible=s.originVisible,r.targetVisible=s.targetVisible,r.wireVisible=s.wireVisible,r.axisVisible=s.axisVisible,r.xAxisVisible=s.xAxisVisible,r.yAxisVisible=s.yAxisVisible,r.zAxisVisible=s.zAxisVisible,r.xLabelEnabled=s.xLabelEnabled,r.yLabelEnabled=s.yLabelEnabled,r.zLabelEnabled=s.zLabelEnabled,r.lengthLabelEnabled=s.lengthLabelEnabled,r.labelsVisible=s.labelsVisible,r.labelsOnWires=s.labelsOnWires,r.useRotationAdjustment=s.useRotationAdjustment,r._axesBasis=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r}return C(i,[{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis=e.slice(),this._wpDirty=!0,this._needUpdate(0)}},{key:"_update",value:function(){if(this._visible){var e=this.plugin.viewer.scene;if(this._wpDirty){if(this._measurementOrientation=function(e,t,i){return Math.abs(t[1]-e[1])>i?"Vertical":"Horizontal"}(this._originWorld,this._targetWorld,0),"Vertical"===this._measurementOrientation&&this.useRotationAdjustment)this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0],this._wp[5]=this._originWorld[1],this._wp[6]=this._originWorld[2],this._wp[7]=1,this._wp[8]=this._originWorld[0],this._wp[9]=this._targetWorld[1],this._wp[10]=this._originWorld[2],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1;else{var t=re.subVec3(this._targetWorld,this._originWorld,ed);this._factors=re.transformVec3(this._axesBasis,t),this._wp[0]=this._originWorld[0],this._wp[1]=this._originWorld[1],this._wp[2]=this._originWorld[2],this._wp[3]=1,this._wp[4]=this._originWorld[0]+this._axesBasis[0]*this._factors[0],this._wp[5]=this._originWorld[1]+this._axesBasis[4]*this._factors[0],this._wp[6]=this._originWorld[2]+this._axesBasis[8]*this._factors[0],this._wp[7]=1,this._wp[8]=this._originWorld[0]+this._axesBasis[0]*this._factors[0]+this._axesBasis[1]*this._factors[1],this._wp[9]=this._originWorld[1]+this._axesBasis[4]*this._factors[0]+this._axesBasis[5]*this._factors[1],this._wp[10]=this._originWorld[2]+this._axesBasis[8]*this._factors[0]+this._axesBasis[9]*this._factors[1],this._wp[11]=1,this._wp[12]=this._targetWorld[0],this._wp[13]=this._targetWorld[1],this._wp[14]=this._targetWorld[2],this._wp[15]=1}this._wpDirty=!1,this._vpDirty=!0}if(this._vpDirty&&(re.transformPositions4(e.camera.viewMatrix,this._wp,this._vp),this._vp[3]=1,this._vp[7]=1,this._vp[11]=1,this._vp[15]=1,this._vpDirty=!1,this._cpDirty=!0),this._sectionPlanesDirty){if(this._isSliced(this._originWorld)||this._isSliced(this._targetWorld))return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setCulled(!0),this._yAxisWire.setCulled(!0),this._zAxisWire.setCulled(!0),this._lengthWire.setCulled(!0),this._originDot.setCulled(!0),void this._targetDot.setCulled(!0);this._xAxisLabel.setCulled(!1),this._yAxisLabel.setCulled(!1),this._zAxisLabel.setCulled(!1),this._lengthLabel.setCulled(!1),this._xAxisWire.setCulled(!1),this._yAxisWire.setCulled(!1),this._zAxisWire.setCulled(!1),this._lengthWire.setCulled(!1),this._originDot.setCulled(!1),this._targetDot.setCulled(!1),this._sectionPlanesDirty=!0}var i=this._originDot.viewPos[2],r=this._targetDot.viewPos[2];if(i>-.3||r>-.3)return this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0),this._lengthLabel.setCulled(!0),this._xAxisWire.setVisible(!1),this._yAxisWire.setVisible(!1),this._zAxisWire.setVisible(!1),this._lengthWire.setVisible(!1),this._originDot.setVisible(!1),void this._targetDot.setVisible(!1);if(this._cpDirty){re.transformPositions4(e.camera.project.matrix,this._vp,this._pp);for(var s=this._pp,n=this._cp,o=e.canvas.canvas.getBoundingClientRect(),a=this._container.getBoundingClientRect(),l=o.top-a.top,u=o.left-a.left,A=e.canvas.boundary,c=A[2],h=A[3],d=0,p=this.plugin.viewer.scene.metrics,f=p.scale,v=p.units,g=p.unitsInfo[v].abbrev,m=0,_=s.length;m<_;m+=4)n[d]=u+Math.floor((1+s[m+0]/s[m+3])*c/2),n[d+1]=l+Math.floor((1-s[m+1]/s[m+3])*h/2),d+=2;if(this._lengthWire.setStartAndEnd(n[0],n[1],n[6],n[7]),this._xAxisWire.setStartAndEnd(n[0],n[1],n[2],n[3]),this._yAxisWire.setStartAndEnd(n[2],n[3],n[4],n[5]),this._zAxisWire.setStartAndEnd(n[4],n[5],n[6],n[7]),this.labelsVisible){if(this._lengthLabel.setPosOnWire(n[0],n[1],n[6],n[7]),this.labelsOnWires)this._xAxisLabel.setPosOnWire(n[0],n[1],n[2],n[3]),this._yAxisLabel.setPosOnWire(n[2],n[3],n[4],n[5]),this._zAxisLabel.setPosOnWire(n[4],n[5],n[6],n[7]);else{var y=35;this._xAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._yAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y),y+=35,this._zAxisLabel.setPosOnWire(n[0],n[1]+y,n[6],n[7]+y)}var b=this._approximate?" ~ ":" = ";this._length=Math.abs(re.lenVec3(re.subVec3(this._targetWorld,this._originWorld,$h))),this._lengthLabel.setText(b+(this._length*f).toFixed(2)+g);var x=Math.abs(td(n[0],n[1],n[2],n[3])),w=Math.abs(td(n[2],n[3],n[4],n[5])),B=Math.abs(td(n[4],n[5],n[6],n[7])),P=this.plugin.labelMinAxisLength;this.labelsOnWires?(this._xAxisLabelCulled=x<P,this._yAxisLabelCulled=w<P,this._zAxisLabelCulled=B<P):(this._xAxisLabelCulled=!1,this._yAxisLabelCulled=!1,this._zAxisLabelCulled=!1),this._xAxisLabelCulled?this._xAxisLabel.setCulled(!0):(this._xAxisLabel.setText(b+Math.abs(this._factors[0]*f).toFixed(2)+g),this._xAxisLabel.setCulled(!this.axisVisible)),this._yAxisLabelCulled?this._yAxisLabel.setCulled(!0):(this._yAxisLabel.setText(b+Math.abs(this._factors[1]*f).toFixed(2)+g),this._yAxisLabel.setCulled(!this.axisVisible)),this._zAxisLabelCulled?this._zAxisLabel.setCulled(!0):("Vertical"===this._measurementOrientation&&this.useRotationAdjustment?(this._zAxisLabel.setPrefix(""),this._zAxisLabel.setText(b+Math.abs(re.lenVec3(re.subVec3(this._targetWorld,[this._originWorld[0],this._targetWorld[1],this._originWorld[2]],$h))*f).toFixed(2)+g)):(this._zAxisLabel.setPrefix("Z"),this._zAxisLabel.setText(b+Math.abs(this._factors[2]*f).toFixed(2)+g)),this._zAxisLabel.setCulled(!this.axisVisible))}else this._lengthLabel.setCulled(!0),this._xAxisLabel.setCulled(!0),this._yAxisLabel.setCulled(!0),this._zAxisLabel.setCulled(!0);this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._xAxisWire.setVisible(this.axisVisible&&this.xAxisVisible),this._yAxisWire.setVisible(this.axisVisible&&this.yAxisVisible),this._zAxisWire.setVisible(this.axisVisible&&this.zAxisVisible),this._lengthWire.setVisible(this.wireVisible),this._lengthLabel.setCulled(!this.wireVisible),this._cpDirty=!1}}}},{key:"_isSliced",value:function(e){for(var t=this.scene._sectionPlanesState.sectionPlanes,i=0,r=t.length;i<r;i++){var s=t[i];if(re.planeClipsPositions3(s.pos,s.dir,e,4))return!0}return!1}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._cpDirty=!0,this._needUpdate(0))}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){this._update();var e=this.plugin.viewer.scene.metrics.scale;return this._length*e}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultVisible,this._visible=e,this._originDot.setVisible(this._visible&&this._originVisible),this._targetDot.setVisible(this._visible&&this._targetVisible),this._lengthWire.setVisible(this._visible&&this._wireVisible),this._lengthLabel.setVisible(this._visible&&this._wireVisible&&this._lengthLabelEnabled);var t=this._visible&&this._axisVisible&&this._xAxisVisible,i=this._visible&&this._axisVisible&&this._yAxisVisible,r=this._visible&&this._axisVisible&&this._zAxisVisible;this._xAxisWire.setVisible(t),this._yAxisWire.setVisible(i),this._zAxisWire.setVisible(r),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._EnabledVisible),this._yAxisLabel.setVisible(i&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._zAxisLabel.setVisible(r&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"originVisible",get:function(){return this._originVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultOriginVisible,this._originVisible=e,this._originDot.setVisible(this._visible&&this._originVisible)}},{key:"targetVisible",get:function(){return this._targetVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultTargetVisible,this._targetVisible=e,this._targetDot.setVisible(this._visible&&this._targetVisible)}},{key:"axisEnabled",get:function(){return this._axisEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisEnabled=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._xAxisVisible&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._xAxisVisible&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"axisVisible",get:function(){return this._axisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._axisVisible=e;var t=this._visible&&this._axisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t&&this._xAxisVisible),this._yAxisWire.setVisible(t&&this._yAxisVisible),this._zAxisWire.setVisible(t&&this._zAxisVisible),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xAxisVisible),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yAxisVisible),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zAxisVisible),this._cpDirty=!0,this._needUpdate()}},{key:"xAxisVisible",get:function(){return this._xAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._xAxisVisible=e;var t=this._visible&&this._axisVisible&&this._xAxisVisible&&this._axisEnabled;this._xAxisWire.setVisible(t),this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yAxisVisible",get:function(){return this._yAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._yAxisVisible=e;var t=this._visible&&this._axisVisible&&this._yAxisVisible&&this._axisEnabled;this._yAxisWire.setVisible(t),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zAxisVisible",get:function(){return this._zAxisVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultAxisVisible,this._zAxisVisible=e;var t=this._visible&&this._axisVisible&&this._zAxisVisible&&this._axisEnabled;this._zAxisWire.setVisible(t),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"wireVisible",get:function(){return this._wireVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultWireVisible,this._wireVisible=e;var t=this._visible&&this._wireVisible;this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._lengthWire.setVisible(t)}},{key:"labelsVisible",get:function(){return this._labelsVisible},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible,this._labelsVisible=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._lengthLabel.setVisible(t&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultXLabelEnabled,this._xLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._xAxisLabel.setVisible(t&&!this._xAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._xLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultYLabelEnabled,this._yLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._yAxisLabel.setVisible(t&&!this._yAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._yLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultZLabelEnabled,this._zLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._zAxisLabel.setVisible(t&&!this._zAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._zLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLengthLabelEnabled,this._lengthLabelEnabled=e;var t=this._visible&&this._labelsVisible;this._lengthLabel.setVisible(t&&!this._lengthAxisLabelCulled&&this._clickable&&this._axisEnabled&&this._lengthLabelEnabled),this._cpDirty=!0,this._needUpdate()}},{key:"labelsOnWires",get:function(){return this._labelsOnWires},set:function(e){e=void 0!==e?Boolean(e):this.plugin.defaultLabelsOnWires,this._labelsOnWires=e}},{key:"setHighlighted",value:function(e){this._originDot.setHighlighted(e),this._targetDot.setHighlighted(e),this._xAxisWire.setHighlighted(e),this._yAxisWire.setHighlighted(e),this._zAxisWire.setHighlighted(e),this._xAxisLabel.setHighlighted(e),this._yAxisLabel.setHighlighted(e),this._zAxisLabel.setHighlighted(e),this._lengthWire.setHighlighted(e),this._lengthLabel.setHighlighted(e)}},{key:"clickable",get:function(){return this._clickable},set:function(e){e=!!e,this._clickable=e,this._originDot.setClickable(this._clickable),this._targetDot.setClickable(this._clickable),this._xAxisWire.setClickable(this._clickable),this._yAxisWire.setClickable(this._clickable),this._zAxisWire.setClickable(this._clickable),this._lengthWire.setClickable(this._clickable),this._xAxisLabel.setClickable(this._clickable),this._yAxisLabel.setClickable(this._clickable),this._zAxisLabel.setClickable(this._clickable),this._lengthLabel.setClickable(this._clickable)}},{key:"destroy",value:function(){var e=this.plugin.viewer.scene,t=e.metrics;this._onViewMatrix&&e.camera.off(this._onViewMatrix),this._onProjMatrix&&e.camera.off(this._onProjMatrix),this._onCanvasBoundary&&e.canvas.off(this._onCanvasBoundary),this._onMetricsUnits&&t.off(this._onMetricsUnits),this._onMetricsScale&&t.off(this._onMetricsScale),this._onMetricsOrigin&&t.off(this._onMetricsOrigin),this._onSectionPlaneUpdated&&e.off(this._onSectionPlaneUpdated),this._originDot.destroy(),this._targetDot.destroy(),this._xAxisWire.destroy(),this._yAxisWire.destroy(),this._zAxisWire.destroy(),this._lengthLabel.destroy(),this._xAxisLabel.destroy(),this._yAxisLabel.destroy(),this._zAxisLabel.destroy(),this._lengthWire.destroy(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),rd=function(e){g(i,Ce);var t=_(i);function i(){return B(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),sd=function(e){g(i,rd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),A=null;this._mouseState=0;var c=function e(t){return t.offsetTop+(t.offsetParent&&t.offsetParent!==s.parentNode&&e(t.offsetParent))},h=function e(t){return t.offsetLeft+(t.offsetParent&&t.offsetParent!==s.parentNode&&e(t.offsetParent))},d=re.vec2(),p=function(t){var i=t.snappedCanvasPos||t.canvasPos;a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState?(e._canvasToPagePos?(e._canvasToPagePos(s,i,d),e._markerDiv.style.left="".concat(d[0]-5,"px"),e._markerDiv.style.top="".concat(d[1]-5,"px")):(e._markerDiv.style.left="".concat(h(s)+i[0]-5,"px"),e._markerDiv.style.top="".concat(c(s)+i[1]-5,"px")),e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),A=t.entity):(e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px"),s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&p(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||p(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=A,A=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,A=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:A},target:{worldPos:l.slice(),entity:A},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=A,A=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var f=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&f(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||f(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),nd=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new sd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new id(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),od=function(e){g(i,rd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),A=null,c=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:v.entity},target:{worldPos:s,entity:v.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,c())}),e._longTouchTimeoutMs),e._touchState=1,A=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,c()}}),e._longTouchTimeoutMs),e._touchState=4),A=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(r){e.pointerCircle.stop();var n=r.touches.length;if(1===n&&1===r.changedTouches.length){var a,u,c=r.touches[0],h=c.clientX,d=c.clientY;if(c.identifier===A)switch(l.set([h,d]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(a.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=a.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:a.worldPos,entity:a.entity},target:{worldPos:a.worldPos,entity:a.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=a.worldPos,e._currentDistanceMeasurement.target.entity=a.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var c=r.changedTouches[0],d=c.clientX,p=c.clientY;if(c.identifier===A)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentDistanceMeasurement.target.worldPos=v.worldPos,e._currentDistanceMeasurement.target.entity=v.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ad=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;B(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=ct({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),ld=function(e){g(i,ad);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),ud=function(e){g(i,ad);var t=_(i);function i(e,r){return B(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Ad=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor||1,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e||1}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),f(x(i.prototype),"destroy",this).call(this)}}]),i}(),cd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),A=new Uint8Array(u),c=0;c<l.length;c++)A[c]=l.charCodeAt(c);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var hd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};B(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=dd(e,i);return r?t?pd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=dd(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=pd(s,[t]),i&&(s=pd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function dd(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function pd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var fd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),vd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),gd=re.vec3(),md=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new vd(b(r)),r._lookCurve=new vd(b(r)),r._upCurve=new vd(b(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,gd),t.look=this._lookCurve.getPoint(e,gd),t.up=this._upCurve.getPoint(e,gd)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),_d=re.vec3(),yd=re.vec3(),bd=re.vec3(),xd=re.vec3(),wd=re.vec3(),Bd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var A=e;if((he.isNumeric(A)||he.isString(A))&&(a=A,!(A=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=A.aabb||this.scene.aabb)}var c=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=c||h;var d=re.subVec3(this._eye1,this._look1,_d),p=re.normalizeVec3(d),f=c?re.getAABB3DiagPoint(r,c):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,A=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,wd):re.subVec3(o.eye,o.look,wd),re.normalizeVec3(wd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(A/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,_d)),re.mulVec3Scalar(wd,u),o.eye=re.addVec3(s,wd,_d),o.look=s,this.scene.camera.ortho.scale=1.1*A}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,wd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,bd),s.look=re.subVec3(bd,wd,yd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,yd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,xd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,bd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,yd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,xd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),f(x(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Pd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new Bd(b(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,b(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Pd.STOPPED=0,Pd.SCRUBBING=1,Pd.PLAYING=2,Pd.PLAYING_TO=3;var Cd=re.vec3(),Md=re.vec3();re.vec3();var Ed=re.vec3([0,-1,0]),Fd=re.vec4([0,0,0,1]),kd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new Yn(b(r)),r._plane=new gn(b(r),{geometry:new Wi(b(r),ao({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new Zi(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new gn(b(r),{geometry:new Wi(b(r),oo({size:1,divisions:10})),material:new Zi(b(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new Tn(b(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),He(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,Cd);var r=-re.dotVec3(i,Cd);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Md),re.vec3PairToQuaternion(Ed,e,Fd),this._node.quaternion=Fd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),Id=function(e){g(i,Di);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=b(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ai({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new si(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(x(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function Dd(e){return 0==(e&e-1)}function Sd(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var Td=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new Ai({texture:new Gn({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!Dd(e.width)||!Dd(e.height)){var t=document.createElement("canvas");t.width=Sd(e.width),t.height=Sd(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new Gn({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),Rd=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),Ld=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){f(x(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),Ud=function(e){g(i,ot);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new Yn(b(r),{src:s.src}),r._geometry=new Wi(b(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new gn(b(r),{geometry:r._geometry,material:new Zi(b(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,f(x(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),Od=function(){function e(t){B(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),Nd=re.vec3(),Qd=function(){function e(t){if(B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,A=!i||i.colorize,c=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),A){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}c&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,A=!i||i.colorize,c=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),A&&(Nd[0]=this.objectsColorize[3*p+0],Nd[1]=this.objectsColorize[3*p+1],Nd[2]=this.objectsColorize[3*p+2],v.colorize=Nd),c&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),Vd=re.vec3(),Hd=function(){function e(){B(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,A=!t||t.colorize,c=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),A){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}c&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,A=!t||t.opacity,c=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[c]),r&&(p.edges=this.objectsEdges[c]),s&&(p.xrayed=this.objectsXrayed[c]),n&&(p.highlighted=this.objectsHighlighted[c]),o&&(p.selected=this.objectsSelected[c]),a&&(p.clippable=this.objectsClippable[c]),l&&(p.pickable=this.objectsPickable[c]),u&&(this.objectsHasColorize[c]?(Vd[0]=this.objectsColorize[3*c+0],Vd[1]=this.objectsColorize[3*c+1],Vd[2]=this.objectsColorize[3*c+2],p.colorize=Vd):p.colorize=null),A&&(p.opacity=this.objectsOpacity[c]),c++}}}]),e}(),jd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),Gd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(f(x(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),zd=function(e){g(i,fd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),Wd=function(e){g(i,Qh);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),t.call(this,e,r)}return C(i)}(),Kd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return B(this,i),(r=t.call(this,e,s))._skyboxMesh=new gn(b(r),{geometry:new Wi(b(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Zi(b(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Yn(b(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),Xd=function(){function e(){B(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),Jd=re.vec4(),Yd=re.vec4(),Zd=re.vec3(),qd=re.vec3(),$d=re.vec3(),ep=re.vec4(),tp=re.vec4(),ip=re.vec4(),rp=function(){function e(t){B(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,Zd);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,ep),a=re.subVec3(o,s.eye,ip),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,Zd),A=re.lenVec3(u),c=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,qd)),A);s.look=[s.eye[0]+c[0],s.eye[1]+c[1],s.eye[2]+c[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,ep);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,tp),p=re.subVec3(d,h,ip),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,Zd)),-i,qd),v=re.addVec3(p,f,$d);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,Jd,Yd,t),t}},{key:"destroy",value:function(){}}]),e}(),sp=re.vec3(),np=re.vec3(),op=re.vec3(),ap=re.vec4(),lp=re.vec4(),up=re.vec4(),Ap=function(){function e(t,i){var r=this;B(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),He(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new eo(this._scene,yn({radius:r})),this._pivotSphere=new gn(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(He(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new Zi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,sp)),i=re.cross3Vec3(t,e.worldUp,np);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=ap;t.project.unproject(e,a,lp,up,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,sp)),A=re.addVec3(t.eye,re.mulVec3Scalar(u,i,np),op);this.setPivotPos(A)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var A=re.transformVec3(u,this._cameraOffset);u[12]-=A[0],u[13]-=A[1],u[14]-=A[2];var c=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(c,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),cp=function(){function e(t,i){B(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new Lt;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),hp=re.vec2(),dp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a,l,u=i.pickController,A=0,c=0,h=0,d=0,p=!1,f=re.vec3(),v=!0,g=this._scene.canvas.canvas,m=[];function _(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];g.style.cursor="move",y(),e&&b()}function y(){A=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],h=s.pointerCanvasPos[0],d=s.pointerCanvasPos[1]}function b(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(p=!0,f.set(u.pickResult.worldPos)):p=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;m[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;m[i]=!1}}),g.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:m[t.input.KEY_SHIFT]||r.planView?(o=!0,_()):(o=!0,_(!1));break;case 2:a=!0,_();break;case 3:l=!0,r.panRightClick&&_()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],h=i[3],d=s.pointerCanvasPos[0],v=s.pointerCanvasPos[1],g=m[t.input.KEY_SHIFT]||r.planView||!r.panRightClick&&a||r.panRightClick&&l,_=document.pointerLockElement?e.movementX:d-A,y=document.pointerLockElement?e.movementY:v-c;if(g){var b=t.camera;if("perspective"===b.projection){var x=Math.abs(p?re.lenVec3(re.subVec3(f,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(b.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*_*x/h,n.panDeltaY+=1.5*y*x/h}else n.panDeltaX+=.5*b.ortho.scale*(_/h),n.panDeltaY+=.5*b.ortho.scale*(y/h)}else!o||a||l||r.planView||(r.firstPerson?(n.rotateDeltaY-=_/u*r.dragRotationRate/2,n.rotateDeltaX+=y/h*(r.dragRotationRate/4)):(n.rotateDeltaY-=_/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=y/h*(1.5*r.dragRotationRate)));A=d,c=v}}),g.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(v=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1}}),g.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,hp);var t=hp[0],s=hp[1];Math.abs(t-h)<3&&Math.abs(s-d)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:hp,event:e},!0)}g.style.removeProperty("cursor")}}),g.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var x=1/60,w=null;g.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel){var t=performance.now()/1e3,i=null!==w?t-w:0;w=t,i>.05&&(i=.05),i<x&&(i=x);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,v&&(s.followPointerDirty=!0,v=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),pp=re.vec3(),fp=re.vec3(),vp=re.vec3(),gp=re.vec3(),mp=re.vec3(),_p={eye:re.vec3(),look:re.vec3(),up:re.vec3()},yp=function(){function e(t,i,r,s){B(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),A=n._isKeyDownForAction(n.AXIS_VIEW_TOP),c=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||A||c){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,pp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;_p.orthoScale=f,e?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldRight,p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):a?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldForward,p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):l?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldRight,-p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):u?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldForward,-p,fp),mp)),_p.look.set(pp),_p.up.set(o.worldUp)):A?(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldUp,p,fp),mp)),_p.look.set(pp),_p.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,vp),gp))):c&&(_p.eye.set(re.addVec3(pp,re.mulVec3Scalar(o.worldUp,-p,fp),mp)),_p.look.set(pp),_p.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,vp)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(pp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(_p,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(_p),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),bp=function(){function e(t,i,r,s,n){var o=this;B(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null;var A=!1,c=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!A&&!c){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(A=!0),3===e.which&&(c=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(A=!1),3===e.which&&(c=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),A=u.hasSubs("pickedNothing"),c=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||A||c)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=c,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=c,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v&&v.worldPos?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),xp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.input,a=[],l=t.canvas.canvas,u=!0;this._onSceneMouseMove=o.on("mousemove",(function(){u=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0,e===o.KEY_SHIFT&&(l.style.cursor="move")))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,e===o.KEY_SHIFT&&(l.style.cursor=null),i.pivotController.getPivoting()&&i.pivotController.endPivot())})),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var l=i.cameraControl,A=e.deltaTime/1e3;if(!r.planView){var c=l._isKeyDownForAction(l.ROTATE_Y_POS,a),h=l._isKeyDownForAction(l.ROTATE_Y_NEG,a),d=l._isKeyDownForAction(l.ROTATE_X_POS,a),p=l._isKeyDownForAction(l.ROTATE_X_NEG,a),f=A*r.keyboardRotationRate;(c||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),c?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=l._isKeyDownForAction(l.DOLLY_BACKWARDS,a),g=l._isKeyDownForAction(l.DOLLY_FORWARDS,a);if(v||g){var m=A*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),u&&(s.followPointerDirty=!0,u=!1)}}var _=l._isKeyDownForAction(l.PAN_FORWARDS,a),y=l._isKeyDownForAction(l.PAN_BACKWARDS,a),b=l._isKeyDownForAction(l.PAN_LEFT,a),x=l._isKeyDownForAction(l.PAN_RIGHT,a),w=l._isKeyDownForAction(l.PAN_UP,a),B=l._isKeyDownForAction(l.PAN_DOWN,a),P=(a[o.KEY_ALT]?.3:1)*A*r.keyboardPanRate;(_||y||b||x||w||B)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),B?n.panDeltaY+=P:w&&(n.panDeltaY+=-P),x?n.panDeltaX+=-P:b&&(n.panDeltaX+=P),y?n.panDeltaZ+=P:_&&(n.panDeltaZ+=-P))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),wp=re.vec3(),Bp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,A=1,c=1,h=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--A<=0&&(A=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?h=a.pickResult.worldPos:(c=1,h=null),s.followPointerDirty=!1),h){var i=Math.abs(re.lenVec3(re.subVec3(h,t.camera.eye,wp)));c=i/r.dollyProximityThreshold}c<r.dollyMinSpeed&&(c=r.dollyMinSpeed)}}else c=1,h=null;var d=n.dollyDelta*c;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e="grabbing"),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var p,f,v=re.vec3();if(v[0]=n.panDeltaX,v[1]=n.panDeltaY,v[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(p=o.eye[0],f=o.look[0]):o.yUp?(p=o.eye[1],f=o.look[1]):o.zUp&&(p=o.eye[2],f=o.look[2]),o.pan(v);var g=o.eye,m=o.look;o.xUp?(g[0]=p,m[0]=f):o.yUp?(g[1]=p,m[1]=f):o.zUp&&(g[2]=p,m[2]=f),o.eye=g,o.look=m}else o.pan(v);e="grabbing"}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==d){if(e=d<0?"zoom-in":"zoom-out",r.firstPerson){var _,y;if(r.constrainVertical&&(o.xUp?(_=o.eye[0],y=o.look[0]):o.yUp?(_=o.eye[1],y=o.look[1]):o.zUp&&(_=o.eye[2],y=o.look[2])),r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.pan([0,0,d]),o.ortho.scale=o.ortho.scale-d;if(r.constrainVertical){var b=o.eye,x=o.look;o.xUp?(b[0]=_,x[0]=y):o.yUp?(b[1]=_,x[1]=y):o.zUp&&(b[2]=_,x[2]=y),o.eye=b,o.look=x}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}else{if(r.followPointer)u.dollyToCanvasPos(h,s.pointerCanvasPos,-d)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+d,o.zoom(d)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Pp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){Cp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(Cp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function Cp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Mp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Ep=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),A=re.vec2(),c=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Mp(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,A=i.length;u<A;++u)Mp(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&a.endPivot()}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Mp(d[0],u),re.subVec2(u,h[0],c);var v=c[0],g=c[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Mp(y,u),Mp(b,A);var x=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,A),B=re.vec2();re.subVec2(x,w,B);var P=B[0],C=B[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=P*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(P/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Mp(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),Fp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},kp=function(){function e(t,i,r,s,n){B(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],A=new Float32Array(2),c=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){c=o,Fp(t[0],A);var a=A[0],l=A[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else c=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)Fp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&c>-1&&t-c<150&&(h>-1&&c-h<325?(Fp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],A)<4&&(Fp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),c=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),Ip=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};B(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:b(r),pickController:new cp(b(r),r._configs),pivotController:new Ap(n,r._configs),panController:new rp(n),cameraFlight:new Bd(b(r),{duration:.5})},r._handlers=[new Pp(r.scene,r._controllers,r._configs,r._states,r._updates),new Ep(r.scene,r._controllers,r._configs,r._states,r._updates),new dp(r.scene,r._controllers,r._configs,r._states,r._updates),new yp(r.scene,r._controllers,r._configs,r._states,r._updates),new bp(r.scene,r._controllers,r._configs,r._states,r._updates),new kp(r.scene,r._controllers,r._configs,r._states,r._updates),new xp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cameraUpdater=new Bp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){if(t[i[r]])return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),f(x(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),Dp=C((function e(t,i,r,s,n){B(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),Sp=C((function e(t){if(B(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new Dp(n.name,n.value,n.type,n.valueType,n.description))}})),Tp=function(){function e(t){B(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),Rp=function(){function e(t){B(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects=[],this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new Sp({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var A=0,c=e.metaObjects.length;A<c;A++){var h=e.metaObjects[A],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new Tp({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects.push(p),h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var A in e.metaObjects){e.metaObjects[A].metaModels=[]}for(var c in e.metaModels)for(var h=e.metaModels[c],d=0,p=h.metaObjects.length;d<p;d++){h.metaObjects[d].metaModels.push(h)}for(var f in e.metaObjectsByType={},e.metaObjects){var v=e.metaObjects[f],g=v.type;(e.metaObjectsByType[g]||(e.metaObjectsByType[g]={}))[f]=v}if(this.propertySets)for(var m=0,_=this.propertySets.length;m<_;m++){var y=this.propertySets[m];this._decompressProperties(this._propertyLookup,y.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=0,i=this.metaObjects.length;t<i;t++){var r=this.metaObjects[t],s={id:r.id,originalSystemId:r.originalSystemId,extId:r.extId,type:r.type,name:r.name};r.parent&&(s.parent=r.parent.id),r.attributes&&(s.attributes=r.attributes),r.propertySetIds&&(s.propertySetIds=r.propertySetIds),e.metaObjects.push(s)}for(var n=0,o=this.propertySets.length;n<o;n++){for(var a=this.propertySets[n],l={id:a.id,originalSystemId:a.originalSystemId,extId:a.extId,type:a.type,name:a.name,propertyies:[]},u=0,A=a.properties.length;u<A;u++){var c=a.properties[u],h={id:c.id,description:c.description,type:c.type,name:c.name,value:c.value,valueType:c.valueType};l.properties.push(h)}e.propertySets.push(l)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var A=0,c=e.propertySets.length;A<c;A++){var h=e.propertySets[A];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),Lp=function(){function e(t,i){B(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new Rp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l=0,u=t.metaObjects.length;l<u;l++){var A=t.metaObjects[l];A.type;var c=A.id;1===A.metaModels.length&&A.metaModels[0].id===e&&(delete this.metaObjects[c],A.parent||delete this.rootMetaObjects[c])}for(var h in this.metaObjects){var d=this.metaObjects[h];if(d.children&&(d.children=[]),d.propertySets&&(d.propertySets=[]),d.propertySetIds)for(var p=0,f=d.propertySetIds.length;p<f;p++){var v=d.propertySetIds[p],g=this.propertySets[v];d.propertySets.push(g)}}for(var m in this.metaObjectsByType={},this.metaObjects){var _=this.metaObjects[m],y=_.type;_.children&&(_.children=null),(this.metaObjectsByType[y]||(this.metaObjectsByType[y]={}))[m]=_}for(var b in this.metaObjects){var x=this.metaObjects[b];if(x.parentId){var w=this.metaObjects[x.parentId];w&&(x.parent=w,(w.children||(w.children=[])).push(x))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var P in this.metaModels)for(var C=this.metaModels[P],M=0,E=C.metaObjects.length;M<E;M++){C.metaObjects[M].metaModels.push(C)}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?Up(t):null,o=i&&i.length>0?Up(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function Up(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
diff --git a/src/plugins/AngleMeasurementsPlugin/AngleMeasurementsMouseControl.js b/src/plugins/AngleMeasurementsPlugin/AngleMeasurementsMouseControl.js
index 6c957ff615..f53b8a2483 100644
--- a/src/plugins/AngleMeasurementsPlugin/AngleMeasurementsMouseControl.js
+++ b/src/plugins/AngleMeasurementsPlugin/AngleMeasurementsMouseControl.js
@@ -74,7 +74,6 @@ export class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
 
@@ -95,9 +94,8 @@ export class AngleMeasurementsMouseControl extends AngleMeasurementsControl {
 
     _destroyMarkerDiv() {
         if (this.markerDiv) {
-            const element = document.getElementById('myMarkerDiv')
-            element.parentNode.removeChild(element)
-            this.markerDiv = null
+            this.markerDiv.parentNode.removeChild(this.markerDiv);
+            this.markerDiv = null;
         }
     }
 
diff --git a/src/plugins/DistanceMeasurementsPlugin/DistanceMeasurementsMouseControl.js b/src/plugins/DistanceMeasurementsPlugin/DistanceMeasurementsMouseControl.js
index 4f096fd09b..603e5ef9d4 100644
--- a/src/plugins/DistanceMeasurementsPlugin/DistanceMeasurementsMouseControl.js
+++ b/src/plugins/DistanceMeasurementsPlugin/DistanceMeasurementsMouseControl.js
@@ -82,7 +82,6 @@ export class DistanceMeasurementsMouseControl extends DistanceMeasurementsContro
 
     _initMarkerDiv() {
         const markerDiv = document.createElement('div');
-        markerDiv.setAttribute('id', 'myMarkerDiv');
         const canvas = this.scene.canvas.canvas;
         canvas.parentNode.insertBefore(markerDiv, canvas);
         markerDiv.style.background = "black";
@@ -102,9 +101,8 @@ export class DistanceMeasurementsMouseControl extends DistanceMeasurementsContro
 
     _destroyMarkerDiv() {
         if (this._markerDiv) {
-            const element = document.getElementById('myMarkerDiv')
-            element.parentNode.removeChild(element)
-            this._markerDiv = null
+            this._markerDiv.parentNode.removeChild(this._markerDiv);
+            this._markerDiv = null;
         }
     }